Reizo KATO Chief Scientist   March 1979 Bachelor of Science, The University of Tokyo Graduation thesis "A Study on the Heteropolyvanadates" March 1981 Master of Science, Graduate School of Science, The University of Tokyo Master thesis "Crystallographic and NMR Studies of Heteropolyvanadates" March 1984 Doctor of Science, Graduate School of Science, The University of Tokyo Doctor thesis "A Study of the Molecular Conductors Based on the BEDT-TTF Derivatives and/or the 1,2-Dithiolene Complexes" 1984-1988 Research Associate, Department of Chemistry, Faculty of Science, Toho University 1988-1990 Lecturer, Department of Chemistry, Faculty of Science, Toho University 1990-1999 Associate Professor, Institute for Solid State Physics, The University of Tokyo 1999 to date Chief Scientist, Condensed Molecular Materials Laboratory, RIKEN 2001-2002 Visiting Professor, Institute for Molecular Science 2002 to date Visiting Professor, Saitama University 2003 to date Visiting Professor, Toho University 2004-2008 Science Adviser, Ministry of Education, Culture, Sports, Science and Technology, Research Promotion Bureau 2011 to date Visiting Professor, Chiba University 2013 to date Visiting Professor, Waseda University 2014 to date Visiting Professor, Gakushuin University 2017 Japan Society for Molecular Science Award 2014 APS (American Physical Society) Fellow 2013 Prize for Science and Technology, Research Category, The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology 2011 Chemical Society of Japan Award for Creative Work 1995 IBM Japan Science Prize (1995) "Studies on the Metal-insulator Transition of the Molecular Conductor Containing Organic π and Metal d Electrons" 1990 Chemical Society of Japan Award for Young Chemists "Design of New Molecular Metals and Superconductors" - The Chemical Society of Japan - The Physical Society of Japan - Japan Society for Molecular Science - American Physical Society - Development of Multi-dimensional Molecular Conductors - Development of pπ-d Molecular Conductors - Development of Molecular Conductors based on Transition Metal Complexes - Introduction of Supramolecular Chemistry to Molecular Conductors - Control of Electronic States by Uni-axial Strain Effect W. Li, A. Pustogow, R. Kato, and M. Dressel Transition of a Pristine Mott Insulator to a Correlated Fermi Liquid: Pressure-Dependent Optical Investigations of a Quantum Spin Liquid Phys. Rev. B 99, 115137/1-8 (2019).    New! K. Sunami, T. Nishikawa, K. Miyagawa, S. Horiuchi, R. Kato, T. Miyamoto, H. Okamoto, and K. Kanoda Evidence for Solitonic Spin Excitations from a Charge-Lattice-Coupled Ferroelectric Order Science Advances 4, eeau7725/1-6 (2018). T. Lee, Y. Oshima, H. B. Cui, and R. Kato Detailed X-band Studies of the π-d Molecular Conductor λ-(BETS)2FeCl4: Observation of Anomalous Angular Dependence of the g-value J. Phys. Soc. Jpn. 87, 114702/1-8 (2018). A. Pustogow, M. Bories, A. Löhle, R. Rösslhuber, E. Zhukova, B. Gorshunov, S. Tomić, J. A. Schlueter, R. Hübner, T. Hiramatsu, Y. Yoshida, G. Saito, R. Kato, T.-H. Lee, V. Dobrosavljević, S. Fratini, and M. Dressel Quantum Spin Liquids Unveil the Genuine Mott State Nature Materials 17, 773-777 (2018). T. Tsumuraya, R. Kato, and Y. Suzumura Effective Hamiltonian of Topological Nodal Line Semimetal in Single-Component Molecular Conductor [Pd(dddt)2] from First-Principles J. Phys. Soc. Jpn. 87, 113701/1-5 (2018). A. Pustogow, Y. Saito, E. Zhukova, B. Gorshunov, R. Kato, T.-H. Lee, S. Fratini, V. Dobrosavljevi, and M. Dressel Low-Energy Excitations in Quantum Spin Liquids Identified by Optical Spectroscopy Phys. Rev. B 121, 056402/1-6 (2018). Y. Suzumura, H. B. Cui, and R. Kato Conductivity and Resistivity of Dirac Electrons in Single-Component Molecular Conductor [Pd(dddt)2] J. Phys. Soc. Jpn. 87, 084702/1-6 (2018). R. Yamamoto, Y. Yanagita, T. Namaizawa, S. Komuro, T. Furukawa, T. Itou, and R. Kato Dimensionality of Superconductivity in the Layered Organic Material EtMe3P[Pd(dmit)2]2 under Pressure Phys. Rev. B 97, 224502/1-5 (2018).> S. Sugiura, K. Shimada, N. Tajima, Y. Nishio, T. Terashima, T. Isono, R. Kato, B. Zhou, and S. Uji Magnetocaloric Effect in Layered Organic Conductor λ-(BETS)2FeCl4 J. Phys. Soc. Jpn. 87, 044601/1-6 (2018). K. Ueda, T. Tsumuraya, and R. Kato Temperature Dependence of Crystal Structures and Band Parameters in Quantum Spin Liquid β'-EtMe3Sb[Pd(dmit)2]2 and Related Materials Crystals 8(3), 8030138/1-15 (2018). Y. Shimizu and R. Kato Transport Anisotropy and Electron Correlations in the Layered Molecular Compounds Z[Pd(dmit)2]2 (Z=Me4N,Et2Me2As,EtMe3P) with Different Interlayer Coupling Phys. Rev. B 97, 125107/1-7 (2018). S. Fujiyama and R. Kato Algebraic Charge Dynamics of the Quantum Spin Liquid β-EtMe3Sb[Pd(dmit)2]2 Physical Review B, 97, 035131/1-5 (2018). E. Tisserond, J. N. Fuchs, M. O. Goerbig, P. Auban-Senzier, C. Meziere, P. Batail, Y. Kawasugi, M. Suda, H. M. Yamamoto, R. Kato, N. Tajima, and M. Monteverde Aperiodic Quantum Oscillations of Particle-Hole Asymmetric Dirac Cones EPL, 119, 67001/1-5 (2017). T. Yamamoto, T. Fujimoto, T. Naito, Y. Nakazawa, M. Tamura, K. Yakushi, Y. Ikemoto, T. Moriwaki, and R. Kato Charge and Lattice Fluctuations in Molecule-Based Spin Liquids Scientific Reports 7, 12930 (2017). H. Yamakawa, T. Miyamoto, T. Morimoto, T. Terashige, H. Yada, N. Kida, M. Suda, H. M. Yamamoto, R. Kato, K. Miyagawa, K. Kanoda, and H. Okamoto Mott Transition by an Impulsive Dielectric Breakdown Nature Materials (2017). T. Itou, E. Watanabe, S. Maegawa, A. Tajima, N. Tajima, K. Kubo, R. Kato, and K. Kanoda Slow Dynamics of Electrons at a Metal-Mott Insulator Boundary in an Organic System with Disorder Science Advances 3(8), e1601594 (2017). R. Kato and Y. Suzumura Novel Dirac Electron in Single-Component Molecular Conductor [Pd(dddt)2] (dddt = 5,6-dihydro-1,4-dithiin-2,3-dithiolate) J. Phys. Soc. Jpn. 86, 064705/1-7 (2017). Y. Suzumura and R. Kato Magnetic Susceptibility of Dirac Electrons in Single-Component Molecular Conductor [Pd(dddt)2] under Pressure Japanese Journal of Applied Physics, 56, 05FB02/1-6, (2017). Y. Oshima, H. B. Cui, and R. Kato Antiferromagnetic Insulating Ground State of Molecular π-d System λ-(BETS)2FeCl4 (BETS = Bis(ethylenedithio)tetraselenafulvalene): A Theoretical and Experimental Review Magnetochemistry, 3(1), 10/1-16, (2017). Y. Sato, Y. Kawasugi, M. Suda, H. M. Yamamoto, and R. Kato Critical Behavior in Doping-Driven Metal-Insulator Transition on Single-Crystalline Organic Mott-FET Nano Lett., 17, 708-714 (2017). R. Kato, H. B. Cui, T. Tsumuraya, T. Miyazaki, and Y. Suzumura Emergence of the Dirac Electron System in a Single-Component Molecular Conductor under High Pressure J. Am. Chem. Soc., 139(5), 1770-1773 (2017). S. Sugiura, K. Shimada, N. Tajima, Y. Nishio, T. Terashima, T. Isono, R. Kato, and S. Uji Magnetic Torque Studies in Two-Dimensional Organic Conductor λ-(BETS)2FeCl4 J. Phys. Soc. Jpn., 86, 014702/1-6 (2017). Y. Kawasugi, K. Seki, Y. Edagawa, Y. Sato, J. Pu, T. Takenobu, S. Yunoki, H. M. Yamamoto, and R. Kato Simultaneous Enhancement of Conductivity and Seebeck Coefficient in an Organic Mott Transistor Appl. Phys. Lett., 109, 233301/1-4 (2016). T. Yamamoto, M. Tamura, K. Yakushi, and R. Kato Intra- versus Inter-dimer Charge Inhomogeneity in the Triangular Lattice Compounds of β'-Cs[Pd(dmit)2]2: A Degree of Freedom Characteristic of an Interchange of Energy Levels in the Molecular Orbitals J. Phys. Soc. Jpn. 85, 104711/1-13 (2016).    Supplemental Material Y. Kawasugi, K. Seki, Y. Edagawa, Y. Sato, J. Pu, T. Takenobu, S. Yunoki, H. M. Yamamoto, and R. Kato Electron-Hole Doping Asymmetry of Fermi Surface Reconstructed in a Simple Mott Insulator Nat. Commun. 7, 12356/1-8 (2016). S. Yasuzuka, S. Uji, T. Konoike, T. Terashima, D. Graf, E. S. Choi, J. S. Brooks, H. M. Yamamoto, and R. Kato Shubnikov.de Haas Effect and Angular-Dependent Magnetoresistance in Layered Organic Conductor β''-(ET)(TCNQ) J. Phys. Soc. Jpn., 85, 084701/1-7 (2016). S. Sugiura, K. Shimada, N. Tajima, Y. Nishio, T. Terashima, T. Isono, A. Kobayashi, B. Zhou, R. Kato, and S. Uji Charge Transport in Antiferromagnetic Insulating Phase of Two-Dimensional Organic Conductor λ-(BETS)2FeCl4 J. Phys. Soc. Jpn., 85, 064703/1-6 (2016). H. B. Cui, A. F. Bangura, and R. Kato High-Pressure Resistivity Measurement under High Quality Hydrostatic Condition The Review of High Pressure Science and Technology, 25(4), 292-297 (2015). T. Ishikawa, S. A. Hayes, S. Keskin, G. Corthey, M. Hada, K. Pichugin, A. Marx, J. Hirscht, K. Shionuma, K. Onda, Y. Okimoto, S. Koshihara, T. Yamamoto, H. B. Cui, M. Nomura, Y. Oshima, M. A. Jawad, R. Kato, and R. J. D. Miller Direct Observation of Collective Modes Coupled to Molecular Orbital-Driven Charge Transfer Science, 350(6267), 1501-1505 (2015). M. Poirier, M. O. Proulx, and R. Kato Ultrasonic Investigation of the Organic Spin-Liquid Compound EtMe3Sb[Pd(dmit)2]2 Phys. Rev. B, 90, 045147/1-7 (2014). T. Tsumuraya, H. Seo, R. Kato, and T. Miyazaki First-Principles Study of Hydrogen-Bonded Molecular Conductor κ-H3(Cat-EDT-TTF/ST)2 Phys. Rev. B, 92, 035102/1-9 (2015). H. Seo, T. Tsumuraya, M. Tsuchiizu, T. Miyazaki, and R. Kato Fragment Model Study of Molecular Multiorbital System X[Pd(dmit)2]2 J. Phys. Soc Jpn., 84, 044716/1-10 (2015). Y. Nakamura, R. Kato, and H. Kishida Study of Magnetic Excitation in Pd(dmit)2 Salts by Raman Scattering Spectroscopy J. Phys. Soc Jpn., 84, 044715/1-5 (2015). M. Abdel-Jawad, R. Kato, I. Watanabe, N. Tajima, and Y. Ishii Universality Class of the Mott Transition Phys. Rev. Lett., 114, 106401/1-5 (2015). T. Furukawa, K. Miyagawa, H. Taniguchi, R. Kato, and K. Kanoda Quantum Criticality of Mott Transition in Organic Materials Nature Physics, 11, 221-224 (2015). M. Suda, R. Kato, and H. M. Yamamoto Light-Induced Superconductivity Using a Photoactive Electric Double Layer Science, 347(6223), 743-746 (2015). K. Murata, Y. Fukumoto, K. Yokogawa, W. Kang, R. Takaoka, R. Tada, H. Hirayama, J. S. Brooks, D. Graf, H. Yoshino, T. Sasaki, and R. Kato Possible Quantum Hall Effect in a Magnetic-Field-Induced Phasetran-Sition in the Quasi-One-Dimensional CDW Organic Conductor, HMTSF-TCNQ Physica B, 460, 241-244 (2015). C. Lemouchi, H. M. Yamamoto, R. Kato, S. Simonov, L. Zorina, A. Rodriguez-Fortea, E. Canadell, P. Wzietek, K. Iliopoulos, D. Gindre, M. Chrysos, and P. Batail Reversible Control of Crystalline Rotors by Squeezing Their Hydrogen Bond Cloud Across a Halogen Bond-Mediated Phase Transition Cryst. Growth Des., 14(7), 3375-3383 (2014). H. B. Cui, T. Tsumuraya, T. Miyazaki, Y. Okano, and R. Kato Pressure-Induced Metallic Conductivity in the Single-Component Molecular Crystal [Ni(dmit)2] Eur. J. Inorg. Chem., 2014(24), 3837-3840 (2014). H. B. Cui, H. Kobayashi, S. Ishibashi, M. Sasa, F. Iwase, R. Kato, and A. Kobayashi A Single-Component Molecular Superconductor J. Am. Chem. Soc., 136(21), 7619-7622 (2014). M. Suda, Y. Kawasugi, T. Minari, K. Tsukagoshi, R. Kato, and H. M. Yamamoto Strain-Tunable Superconducting Field-Effect Transistor with an Organic Strongly-Correlated Electron System Advanced Materials, 26(21), 3490-3495 (2014). S. Yasuzuka, Y. Idobata, B. Zhou, A. Kobayashi, K. Katoh, H. B. Cui, R. Kato, M. Tokumoto, and H. Kobayashi Hidden Spin Scattering Behavior in [Ni1-xCux(tmdt)2] System with Unprecedentedly Strong π-d Interaction J. Phys. Soc. Jpn., 83, 074701/1-074701/5 (2014). T. Yamamoto, Y. Nakazawa, M. Tamura, A. Nakao, A. Fukaya, R. Kato, and K. Yakushi Property of the Valence-Bond Ordering in Molecular Superconductor with a Quasi-Triangular Lattice J. Phys. Soc. Jpn., 83, 053703/1-053703/5 (2014). K. Otsuka, H. Iikubo, T. Kogure, Y. Takano, K. Hiraki, T. Takahashi, H. B. Cui, and R. Kato Antiferromagnetic Ordering in Quasi-Triangular Localized Spin System, β -Et2Me2P[Pd(dmit)2]2, Studied by 13CNMR J. Phys. Soc. Jpn., 83, 054712/1-054712/6 (2014). H. M. Yamamoto, Y. Kawasugi, H. B. Cui, M. Nakano, Y. Iwasa, and R. Kato Asymmetric Phase Transitions Observed at the Interface of a Field-Effect Transistor Based on an Organic Mott Insulator Euro. J. Inorg. Chem., 2014(24), 3841-3844 (2014). R. Kato Development of π-Electron Systems Based on [M(dmit)2] (M= Ni and Pd; dmit: 1,3-dithiole-2-thione-4,5-dithiolate) Anion Radicals Bull. Chem. Soc. Jpn., 87(3), 355-374 (2014). The Chemical Society of Japan Award for Creative Work for 2010! Q. Q. Ge, H. C. Xu, X. P. Shen, M. Xia, B. P. Xie, F. Chen, Y. Zhang, R. Kato, T. Tsumuraya, T. Miyazaki, M. Matsunami, S. Kimura, and D. L. Feng Angle-Resolved Photoemission Study of the Electronic Structure of the Quantum Spin Liquid EtMe3Sb[Pd(dmit)2]2 Phys. Rev. B, 89(7), 075105/1-075105/6 (2014). N. Takubo, N. Tajima, H. M. Yamamoto, and R. Kato Nonlinear Photocurrent with a Threshold of Excitation Density Induced by the Long-Range Electron-Electron Interaction in the Charge-Ordered Molecular Conductor (BEDT-TTF)3(ClO4)2 J. Phys.: Condensed Matter, 26(5), 055603/1-055603/5 (2014). R. S. Manna, M. Souza, R. Kato, and M. Lang Lattice Effects in the Quasi-Two-Dimensional Valence-Bond-Solid Mott Insulator EtMe3P[Pd(dmit)2]2 Phys. Rev. B, 89, 045113/1-045113/5 (2014). H. M. Yamamoto, J. Ueno, and R. Kato Critical Behavior of a Filling-Controlled Mott-Transition Observed at an Organic Field-Effect-Transistor Interface Eur. Phys. J. Special Topics, 222, 1057-1063 (2013). T. Kusamoto, H. Nishihara, and R. Kato Substituent-Dependent Spin-Density Distribution and Coexistence of Fe 3d and π Spins on Ferrocene-Tetrathiafulvalene Hybrids Inorg. Chem., 52(24), 13809-13811 (2013). H. M. Yamamoto, M. Nakano, M. Suda, Y. Iwasa, M. Kawasaki, and R. Kato A Strained Organic Field-Effect Transistor with a Gate-Tunable Superconducting Channel Nature Commun., 4, 2379/1-2379/7 (2013). N. Fukazawa, T. Tanaka, T. Ishikawa, Y. Okimoto, S. Koshihara, T. Yamamoto, M. Tamura, R. Kato, and K. Onda Time-Resolved Infrared Vibrational Spectroscopy of the Photoinduced Phase Transition of Pd(dmit)2 Salts Having Different Orders of Phase Transition J. Phys. Chem. C, 117, 13187-13196 (2013). T. Kusamoto, H. M. Yamamoto, and R. Kato Utilization of σ-Holes on Sulfur and Halogen Atoms for Supramolecular Cation・・・Anion Interactions in Bilayer Ni(dmit)2 Anion Radical Salts Cryst. Growth Des., 13, 4533-4541 (2013). N. Tajima, T. Yamauchi, T. Yamaguchi, M. Suda, Y. Kawasugi, H. M. Yamamoto, R. Kato, Y. Nishio, and K. Kajita Quantum Hall Effect in Multilayered Massless Dirac Fermion Systems with Tilted Cones Phys. Rev. B, 88, 075315/1-075315/6 (2013). M. Abdel-Jawad, N. Tajima, R. Kato, and I. Terasaki Disordered Conduction in Single-Crystalline Dimer Mott Compounds Phys. Rev. B, 88, 075139/1-075139/5 (2013). N. Takubo, N. Tajima, H. M. Yamamoto, H.-B. Cui and R. Kato Lattice Distortion Stabilizes the Photoinduced Metallic Phase in the Charge-Ordered Organic Salts (BEDT-TTF)3X2 (X=ReO4, ClO4) Phys. Rev. Lett. 110, 227401/1-227401/5 (2013). Y. Kosaka, H. M. Yamamoto, A. Tajima, A. Nakao, H. B. Cui, and R. Kato Supramolecular Ni(dmit)2 Salts with Halopyridinium Cations -Development of Multifunctional Molecular Conductors with the Use of Competing Supramolecular Interactions CrystEngComm, 15, 3200-3211 (2013). T. Kusamoto, H. M. Yamamoto, N. Tajima, Y. Oshima, S. Yamashita, and R. Kato Bilayer Mott System with Cation…Anion Supramolecular Interactions Based on a Nickel Dithiolene Anion Radical: Coexistence of Ferro- and Antiferromagnetic Anion Layers and Large Negative Magnetoresistance Inorg. Chem., 52(9), 4759-4761 (2013). T. Tsumuraya, H. Seo, M. Tsuchiizu, R. Kato, and T. Miyazaki Cation Dependence of the Electronic States in Molecular Triangular Lattice System β'-X[Pd(dmit)2]2: A First-Principles Study J. Phys. Soc. Jpn., 82, 033709/1-033709/4 (2013). K. Koizumi, K. Ishizaka, T. Kiss, M. Okawa, R. Kato, and S. Shin Bulk-Sensitive Angle-Resolved Photoemission Spectroscopy on TTF-TCNQ J. Phys. Soc. Jpn., 82, 025004/1-025004/2 (2013). N. Takubo, N. Tajima, H. M. Yamamoto, and R. Kato Observation of Photo-Induced Insulator-to-Metal Transition in Charge-Ordered α-(BEDT-TTF)2I3 Thin Crystal by Simultaneous Transport and Optical Measurement J. Luminescence, 137, 237-240 (2013). O. M. Vyaselev, R. Kato, H. M. Yamamoto, M. Kobayashi, L. V. Zorina, S. V. Simonov, N. D. Kushch, and E. B. Yagubskii Properties of Mn2+ and π-Electron Spin Systems Probed by 1H and 13C NMR in the Organic Conductor κ-(BETS)2Mn[N(CN)2]3 Crystals, 2(2), 224-235 (2012).    New! T. Kusamoto, H. M. Yamamoto, N. Tajima, Y. Oshima, S. Yamashita, and R. Kato Bilayer Mott System Based on Ni(dmit)2 (dmit = 1,3-dithiole-2-thione-4,5-dithiolate) Anion Radicals: Two Isostructural Salts Exhibit Contrasting Magnetic Behavior Inorg. Chem., 51(21), 11645-11654 (2012). D. Watanabe, M. Yamashita, S. Tonegawa, Y. Oshima, H. M. Yamamoto, R. Kato, I. Sheikin, K. Behnia, T. Terashima, S. Uji, T. Shibauchi, and Y. Matsuda Novel Pauli-Paramagnetic Quantum Phase in a Mott Insulator Nature Communications, 3, 1090/1-1090/6 (2012). T. Kiss, A. Chainani, H. M. Yamamoto, T. Miyazaki, T. Akimoto, T. Shimojima, K. Ishizaka, S. Watanabe, C.-T. Chen, A. Fukaya, R. Kato, and S. Shin Quasiparticles and Fermi Liquid Behaviour in an Organic Metal Nature Communications, 3, 1089/1-1089/6 (2012). B. Zhou, Y. Idobata, A. Kobayashi, H. B. Cui, R. Kato, R. Takagi, K. Miyagawa, K. Kanoda, and H. Kobayashi Single-Component Molecular Conductor [Cu(dmdt)2] with Three-Dimensionally Arranged Magnetic Moments Exhibiting a Coupled Electric and Magnetic Transition J. Am. Chem. Soc., 134(30), 12724-12731 (2012). Y. Oshima, H. Nojiri, S. Uji, J. S. Brooks, T. Tokumoto, H..B Cui, R. Kato, A. Kobayashi, and H. Kobayashi Breakdown of the Field-Induced Superconductivity by Dynamical Spin Reversal Phys. Rev. B, 86, 024525/1-024525/7 (2012). R. Kato and C. Hengbo Cation Dependence of Crystal Structure and Band Parameters in a Series of Molecular Conductors, β'-(Cation)[Pd(dmit)2]2 (dmit = 1,3-dithiole-2-thione-4,5-dithiolate) Crystals, 2(3), 861-874 (2012). R. Kato, T. Fukunaga, H. M. Yamamoto, K. Ueda, and C. Hengbo Crystal Structure and Band Parameters of Mixed Crystals Derived from Quantum Spin Liquid β'-EtMe3Sb[Pd(dmit)2]2 (dmit=1,3-dithiol-2-thione-4,5-dithiolate) Phys. Status Solidi B, 249(5), 999-1003 (2012). K. Murata, W. Kang, K. Masuda, T. Kuse, T. Sasaki, K. Yokogawa, H. Yoshino, J. S. Brooks, E. S. Choi, A. Kiswandhi, and R. Kato Field-Induced CDW in HMTSF-TCNQ Physica B, 407, 1927-1929 (2012). N. Tajima, R. Kato, S. Sugawara, Y. Nishio, and K. Kajita Interband Effects of Magnetic Field on Hall Conductivity in the Multilayered Massless Dirac Fermion System α-(BEDT-TTF)2I3 Phys. Rev. B, 85, 033401/1-033401/4 (2012). T. Yamamoto, Y. Nakazawa, M. Tamura, A. Nakao, Y. Ikemoto, T. Moriwaki, A. Fukaya, R. Kato, and K. Yakushi Intradimer Charge Disproportionation in Triclinic-EtMe3P[Pd(dmit)2]2 (dmit: 1,3-Dithiole-2-thione-4,5-dithiolate) J. Phys. Soc. Jpn., 80, 123709/1-123709/4 (2011). J. Lieffrig, H. M. Yamamoto, T. Kusamoto, H. Cui, O. Jeannin, M. Fourmigue, and R. Kato Halogen-Bonded, Eight-fold PtS-Type Interpenetrated Supramolecular Network. A Study toward Redundant and Cross-Bar Supramolecular Nanowire Crystal Cryst. Growth Des., 11(10), 4267-4271 (2011). J. A. Wright, E. Green, P. Kuhns, A. Reyes, J. Brooks, J. Schlueter, R. Kato, H. Yamamoto, M. Kobayashi, and S. E. Brown Zeeman-Driven Phase Transition within the Superconducting State of κ-(BEDT-TTF)2Cu(NCS)2 Phys. Rev. Lett., 107, 087002/1-087002/4 (2011). K. Kubo, T. Shiga, T. Yamamoto, A. Tajima, T. Moriwaki, Y. Ikemoto, M. Yamashita, E. Sessini, M. L. Mercuri, P. Deplano, Y. Nakazawa, and R. Kato Electronic State of a Conducting Single Molecule Magnet Based on Mn-salen Type and Ni-Dithiolene Complexes Inorg. Chem., 50(19), 9337-9344 (2011). Y. Kawasugi, H. M. Yamamoto, N. Tajima, T. Fukunaga, K. Tsukagoshi, and R. Kato Electric-Field-Induced Mott Transition in an Organic Molecular Crystal Phys. Rev. B, 84, 125129/1-125129/9 (2011).    PRB Editors' Suggestions T. Itou, K. Yamashita, M. Nishiyama, A. Oyamada, S. Maegawa, K. Kubo, and R. Kato Nuclear Magnetic Resonance of the Inequivalent Carbon Atoms in the Organic Spin-Liquid Material EtMe3Sb[Pd(dmit)2]2 Phys. Rev. B, 84, 094405/1-094405/5 (2011). T. Yamamoto, Y. Nakazawa, M. Tamura, T. Fukunaga, R. Kato, and K. Yakushi Vibrational Spectra of [Pd(dmit)2] Dimer (dmit = 1,3-dithiole-2-thione-4,5-dithiolate): Methodology for Examining Charge, Inter-Molecular Interactions, and Orbital J. Phys. Soc. Jpn., 80, 074717/1-074717/16 (2011). K. Hazama, S. Uji, Y. Takahide, M. Kimata, H. Satsukawa, A. Harada, T. Terashima, Y. Kosaka, H. M. Yamamoto, and R. Kato Fermi Surface and Interlayer Transport in the Two-Dimensional Magnetic Organic Conductor (Me-3,5-DIP)[Ni(dmit)2]2 Phys. Rev. B, 83, 165129/1-165129/9 (2011). S. Yamashita, T. Yamamoto, Y. Nakazawa, M. Tamura, and R. Kato Gapless Spin Liquid of an Organic Triangular Compound Evidenced by Thermodynamic Measurements Nature Communications, 2, 275/1-275/6 (2011). K. Kanoda and R. Kato Mott Physics in Organic Conductors with Triangular Lattices Annu. Rev. Condens. Matter Phys., 2, 167-188 (2011). K. Hiraki, S. Harada, K. Arai, Y. Takano, T. Takahashi, N. Tajima, R. Kato, and T. Naito Local Spin Susceptibility of α-D2I3 (D = bis(ethylendithio)tetraselenafulvalene (BETS) and bis(ethylendithio)dithiadiselenafulvalene (BEDT-STF)) Studied by 77Se NMR J. Phys. Soc. Jpn., 80, 014715/1-014715/6 (2011). S. Sugawara, M. Tamura, N. Tajima, R. Kato, M. Sato, Y. Nishio, and K. Kajita Temperature Dependence of Inter-Layer Longitudinal Magnetoresistance in α-(BEDT-TTF)2I3: Positive versus Negative Contributions in a Tilted Dirac Cone System J. Phys. Soc. Jpn., 79, 113704/1-113704/4 (2010). K. Hazama, Y. Takahide, M. Kimata, T. Terashima, S. Uji, Y. Kosaka, H. M. Yamamoto, and R. Kato Electronic State of Magnetic Organic Conductor (Me-3,5-DIP)[Ni(dmit)2]2 J. Phys.: Conf. Ser., 150, 022025/1-022025/4 (2010). N. Tajima, M. Sato, S. Sugawara, R. Kato, Y. Nishio, and K. Kajita Spin and Valley Splittings in Multilayered Massless Dirac Fermion System Physical Review B, 82, 121420/1-121420/4 (2010). T. Itou, A. Oyamada, S. Maegawa, and R. Kato Instability of a Quantum Spin Liquid in an Organic Triangular-Lattice Antiferromagnet Nature Physics, 6, 673-676 (2010). Y. Ishii, M. Nagasawa, T. Suzuki, I. Watanabe, T. Matsuzaki, H. M. Yamamoto, and R. Kato Zero Field- and Longitudinal Field-μSR Studies of Quasi-One-Dimensional Organic Conductor, TMTTF2PF6 Physica B, 405(11), S98-S100 (2010). T. Yamamoto, Y. Nakazawa, R. Kato, K. Yakushi, H. Akutsu, A. S. Akustu, H. Yamamoto, A. Kawamoto, S. S. Turner, and P. Day Charge Fluctuation of the Superconducting Molecular Crystals Physica B, 405(11), S237-S239 (2010). S. Maki, E. Nishibori, H. Okabayashi, R. Sato, S. Aoyagi, H. Sawa, and R. Kato Experimental Charge Density Study of (DBr-DCNQI)2Cu for Metallic Phase by Synchrotron X-Ray Diffraction Physica B, 405(11), S321-S323 (2010). S. Ohira-Kawamura, M. Tamura, R. Kato, K. Hiraki, T. Takahashi, and M. Iwasaki Muon Spin Relaxation Studies on Magnetic Properties of Organic Conductors Pd(dmit)2 Salts and α-(BETS)2I3 J. Phys.: Conf. Ser., 225(1), 012041/1-012041/5 (2010). M. Yamashita, N. Nakata, Y. Senshu, M. Nagata, H. M. Yamamoto, R. Kato, T. Shibauchi, and Y. Matsuda Highly Mobile Gapless Excitations in a Two-Dimensional Candidate Quantum Spin Liquid Science, 328(5983), 1246-1248 (2010). K. Kubo and R. Kato New Molecular Architecture for Electrically Conducting Materials Based on Unsymmetrical Organometallic-Dithiolene Complexes Top. Organomet. Chem., 27, 35-53 (2009). R. Kondo, S. Kagoshima, N. Tajima, and R. Kato Crystal and Electronic Structures of the Quasi-Two-Dimensional Organic Conductor α-(BEDT-TTF)2I3 and its Selenium Analogue α-(BEDT-TSeF)2I3 under Hydrostatic Pressure at Room Temperature J. Phys. Soc. Jpn., 78(11), 114714/1-114714/7 (2009). T. Ishikawa, N. Fukazawa, Y. Matsubara, R. Nakajima, K. Onda, Y. Okimoto, S. Koshihara, M. Lorenc, E. Collet, M. Tamura, and R. Kato Large and Ultrafast Photoinduced Reflectivity Change in the Charge Separated Phase of Et2Me2Sb[Pd(1,3-Dithiol-2-Thione-4,5-Dithiolate)2]2 Phys. Rev. B, 80(11), 115108/1-115108/8 (2009). Y. Kawasugi, H. M. Yamamoto, N. Tajima, T. Fukunaga, K. Tsukagoshi, and R. Kato Field-Induced Carrier Delocalization in the Strain-Induced Mott Insulating State of an Organic Superconductor Phys. Rev. Lett., 103(11), 116801/1-116801/4 (2009).   PRL Editors' Suggestions H. Ohta, S. Okubo, N. Souda, M. Tomoo, T. Sakurai, T. Yoshida, E. Ohmichi, M. Fujisawa, H. Tanaka, and R. Kato Development and Applications of High-Frequency ESR up to 55 T Appl. Mag. Reson., 35(3), 399-410 (2009). M. Tamura and R. Kato Variety of Valence Bond States Formed of Frustrated Spins on Triangular Lattices Based on a Two-Level System Pd(dmit)2 Sci. Technol. Adv. Mater., 10(2), 024304/1-024304/12 (2009). T. Itou, A. Oyamada, S. Maegawa, K. Kubo, H. M. Yamamoto, and R. Kato Superconductivity on the Border of a Spin-Gapped Mott Insulator: NMR Studies of the Quasi-Two-Dimensional Organic System EtMe3P[Pd(dmit)2]2 Phys. Rev. B, 79(17), 174517/1-174517/6 (2009).   PRB Editors' Suggestions N. Tajima, S. Sugawara, R. Kato, Y. Nishio, and K. Kajita Effect of the Zero-Mode Landau Level on Interlayer Magnetoresistance in Multilayer Massless Dirac Fermion Systems Phys. Rev. Lett., 102(17), 176403/1-176403/4 (2009). T. Itou, A. Oyamada, S. Maegawa, M. Tamura, and R. Kato 13C NMR Study of the Spin-Liquid State in the Triangular Quantum Antiferromagnet EtMe3Sb[Pd(dmit)2]2 J. Phys.: Conference Series, 145, 012039/1-012039/4 (2009). H. M. Yamamoto, M. Hosoda, Y. Kawasugi, K. Tsukagoshi, and R. Kato Field Effect on Organic Charge-Ordered/Mott Insulators Physica B:Condensed Matter, 404(3-4), 413-415 (2009). T. Ishikawa, N. Fukazawa, Y. Matsubara, R. Nakajima, K. Onda, Y. Okimoto, S. Koshihara, M. Tamura, R. Kato, M. Lorenc, and E. Collet The Photo-Induced Phase Transition in Et2Me2Sb[Pd(dmit)2]2 Phys. Stat. Sol. (c), 6(1), 112-115 (2009). M. Ashizawa, K. Yamada, A. Fukaya, R. Kato, K. Hara, and J. Takeya Effect of Molecular Packing on Field-Effect Performance of Single Crystals of Thienyl-Substituted Pyrenes Chem. Mater., 2008, 20(15), 4883-4890 (2008). A. Fukaya and R. Kato Electric Properties of Mixed Compound [(CH3)4N][NixPd1-x(dmit)2]2 J. Phys. Soc. Jpn., 77(9), 094710/1-094710/5 (2008). N. Tajima, R. Kato, and H. Taniguchi Transport Properties of an Organic Mott Insulator β'-(BEDT-TTF)2ICl2 Europhys. Lett., 83, 27008/1-27008/5 (2008). K. Kubo, A. Nakao, Y. Ishii, T. Yamamoto, M. Tamura, R. Kato, K. Yakushi, and G. Matsubayashi　 Electrical Properties and Electronic States of Molecular Conductors Based on Unsymmetrical Organometallic-Dithiolene Gold(III) Complexes Inorg. Chem., 47(12), 5495-5502 (2008). Y. Kawasugi, H. M. Yamamoto, M. Hosoda, N. Tajima, T. Fukunaga, K. Tsukagoshi, and R. Kato Strain-Induced Superconductor/Insulator Transition and Field Effect in a Thin Single Crystal of Molecular Conductor Appl. Phys. Lett., 92, 243508/1-243508/3 (2008). H. M. Yamamoto, Y. Kawasugi, H. Ito, T. Fukunaga, T. Suzuki, K. Tsukagoshi, and R. Kato Conduction Properties of Micro-Crystals of 2,5-dimethyl-N,N'-dicyanoquinonediimine Metal (Metal = Ag, Cu) Complexes on SiO2/Si Substrates Solid State Sci., 10(12),1757-1761 (2008). T. Yamamoto, H. M. Yamamoto, R. Kato, M. Uruichi, K. Yakushi, H. Akutsu, A. Sato-Akutsu, A. Kawamoto, S. S. Turner, and P. Day Inhomogeneous Site Charges at the Boundary between the Insulating, Superconducting, and Metallic Phases of β"-Type Bis-Ethylenedithio-Tetrathiafulvalene Molecular Charge-Transfer Salts Phys. Rev. B, 77, 205120/1-205120/14 (2008).   PRB Editors' Suggestions T. Itou, A. Oyamada, S. Maegawa, M. Tamura, and R. Kato Quantum Spin Liquid in the Spin-1/2 Triangular Antiferromagnet EtMe3Sb[Pd(dmit)2]2 Phys. Rev. B, 77, 104413/1-104413/5 (2008). S. Fujiyama, A. Shitade, K. Kanoda, Y. Kosaka, H. M. Yamamoto, and R. Kato Suppression of Electronic Susceptibility in Metal-Mott-Insulator Alternating Material (Me-3,5-DIP)[Ni(dmit)2]2 Observed Using 13C NMR Phys. Rev. B, 77, 060403/1-060403/4 (2008). H. M. Yamamoto, Y. Kosaka, R. Maeda, J. Yamaura, A. Nakao, T. Nakamura, and R. Kato Supramolecular Insulating Networks Sheathing Conducting Nanowires Based on Organic Radical Cations ACS Nano, 2(1), 143-155 (2008). Y. Shimizu, H. Akimoto, H. Tsujii, A. Tajima, and R. Kato Mott Transition in a Valence-Bond Solid Insulator with a Triangular Lattice Phys. Rev. Lett., 99, 256403/1-256403/4 (2007). N. Tajima, S. Sugawara, M. Tamura, R. Kato, Y. Nishio, and K. Kajita Transport Properties of Massless Dirac Fermions in an Organic Conductor α-(BEDT-TTF)2I3 under Pressure Europhys. Lett. 80, 47002/1-47002/5 (2007) T. Yamamoto, R. Kato, H. M. Yamamoto, A. Fukaya, K. Yamasawa, I. Takahashi, H. Akutsu, A. Akutsu-Sato, and P. Day Technique for Anisotropic Extension of Organic Crystals: Application to Temperature Dependence of Electrical Resistance Rev. Sci. Instrum., 78, 083906/1-083906/11 (2007). Y. Shinohara, S. Kazama, K. Mizoguchi, M. Hiraoka, H. Sakamoto, S. Masubuchi, R. Kato, K. Hiraki, and T. Takahashi Spin Density Distribution and Electronic States in (DMe-DCNQI)2M (M=Li,Ag,Cu) from High-Resolution Solid-State NMR Phys. Rev. B, 76, 035128/1-035128/9 (2007). M. Ashizawa, R. Kato, Y. Takanishi, and H. Takezoe Synthesis and Solution-Processed Field Effect Transistors of Liquid Crystalline Oligothiophenes Chem. Lett., 36(6), 708-709 (2007). T. Yamamoto, J. Eda, A. Nakao, R. Kato, and K. Yakushi Charge Ordered State and Frustration of Site Charges in (ET)5Te2I6 and (BETS)5Te2I6 Phys. Rev. B, 75, 205132/1-205132/18 (2007). Y. Shimizu, H. Akimoto, H. Tsujii, A. Tajima, and R. Kato Reentrant Mott Transition from a Fermi Liquid to a Spin-Gapped Insulator in an Organic Spin-1/2 Triangular-Lattice Antiferromagnet J. Phys.: Condens. Matter, 19(14), 145240/1-145240/5 (2007). M. Tamura, Y. Ishii, and R. Kato Magnetic Study of Quantum Triangular Antiferromagnet [Pd(dmit)2] Salts under Pressure" J. Phys.: Condens. Matter, 19(14), 145239/1-145239/6 (2007). T. Itou, A. Oyamada, S. Maegawa, M. Tamura, and R. Kato Spin-Liquid State in an Organic Spin-1/2 System on a Triangular Lattice, EtMe3Sb[Pd(dmit)2]2" J. Phys.: Condens. Matter, 19(14), 145247/1-145247/5 (2007). Y. Kosaka, H. M. Yamamoto, A. Nakao, M. Tamura, and R. Kato Coexistence of Conducting and Magnetic Electrons Based on Molecular π-Electrons in the Supramolecular Conductor (Me-3,5-DIP)[Ni(dmit)2]2" J. Am. Chem. Soc., 129(11), 3054-3055 (2007). S. Yasuzuka, K. Murata, T. Arimoto, and R. Kato Temperature-Pressure Phase Diagram in TTF-TCNQ: Strong Suppression of Charge-Density-Wave State under Extremely High Pressure J. Phys. Soc. Jpn., 76(3), 033701/1-033701/4 (2007).　　Papers of Editors' Choice Y. Ishii, M. Tamura, and R. Kato Magnetic Study of Pressure-Induced Superconductivity in the [Pd(dmit)2] Salt with Spin-Gapped Ground State J. Phys. Soc. Jpn., 76(3), 033704/1-033704/4 (2007). M. Kimata, Y. Oshima, H. Ohta, K. Koyama, M. Motokawa, H. M. Yamamoto, and R. Kato Low-Temperature Fermi Surface of the Organic Conductor β''-(BEDT-TTF)(TCNQ)(1-x)(F1-TCNQ)x (x=0,0.05) from Magnetooptical Measurements Phys. Rev. B, 75(4), 045126/1-045126/9 (2007). R. Kato, A. Tajima, A. Nakao, N. Tajima, and M. Tamura Correlation and Frustration Effects in Molecular Conductors EtxMe4-xZ[Pd(dmit)2]2 (dmit=C3S52-, Z=P, As, Sb, x=0, 1,2) Multifunctional Conducting Molecular Materials, ed. by G. Saito, F. Wudl, R. C. Haddon, K. Tanigaki, T. Enoki, H. E. Katz, and M. Maesato, The Royal Society of Chemistry, Cambridge, UK, 32-38 (2007). !Erratum! 35ページ、Figure 4説明文中の【left】と【right】が逆になっています。 正しくは、（right; Cation = EtMe3Sb, left; Cation = EtMe3As）です。 H. M. Yamamoto, H. Ito, M. Ikeda, R. Kato, K. Shigeto, and K. Tsukagoshi Nano-Size Molecular Conductors Directly Formed on Silicon Substrates Multifunctional Conducting Molecular Materials, ed. by G. Saito, F. Wudl, R. C. Haddon, K. Tanigaki, T. Enoki, H. E. Katz, and M. Maesato, The Royal Society of Chemistry, Cambridge, UK, 97-100 (2007). M. Ashizawa, H. M. Yamamoto, A. Nakao, and R. Kato The First Methyl Antimony Linked Dimeric Tetrathiafulvalene and Tetraselenafulvalenes Tetrahedron Letters, 47(50), 8937-8941 (2006). H. M. Yamamoto, H. Ito, K. Shigeto, I. Yagi, K. Tsukagoshi, and R. Kato Nano-Size Molecular Conductors on Silicon Substrate -Toward Device Integration of Conductive CT Salts- J. Low Temperature Physics, 142(3/4), 215-220 (2006). H. Sawa, Y. Wakabayashi, R. Tazaki, T. Kakiuchi, K. Kanoda, and R. Kato Role of Frustration in Quasi 1D Conductor -Charge Ordering and/or CDW in (R1,R2-DCNQI)2M (M=Ag, Li, Cu) System- J. Low Temperature Physics, 142(3/4), 355-360 (2006). K. Kubo, A. Nakao, Y. Ishii, M. Tamura, R. Kato, and G. Matsubayashi Two Electrically Different Molecular Conductors Based on Unsymmetrical Au(III)-Dithiolene Complexes with Similar Crystal Structures J. Low Temperature Physics, 142(3/4), 413-416 (2006). M. Ashizawa, A. Nakao, H. M. Yamamoto, and R. Kato Development of the First Methyl Antimony Bridged Tetrachalcogenafulvalene Systems J. Low Temperature Physics, 142(3/4), 449-452 (2006). Y. Ishii, N. Tajima, M. Tamura, and R. Kato An Interlayer Magnetoresistance Peak Effect below the Superconducting Transition Temperature in Et2Me2P[Pd(dmit)2]2 J. Low Temperature Physics, 142(3/4), 511-514 (2006). K. Katayama, T. Nagai, H. Taniguchi, K. Satoh, N. Tajima, and R. Kato Anomalous Sign Change in Hall Coefficient of κ-(BEDT-TTF)2Cu[N(CN)2]Br under Pressure J. Low Temperature Physics, 142(3/4), 515-518 (2006). T. Okuhata, T. Nagai, H. Taniguchi, K. Satoh, T. Itou, Y. Shimizu, K. Miyagawa, Y. Ishii, N. Tajima, and R. Kato High-Pressure Study of a Doped-Type Organic Superconductor, κ-(BEDT-TTF)4Hg2.89Br8 J. Low Temperature Physics, 142(3/4), 547-550 (2006). M. Hiraoka, H. Sakamoto, K. Mizoguchi, R. Kato, T. Kato, T. Nakamura, K. Furukawa, K. Hiraki, T. Takahashi, T. Yamamoto, and H. Tajima Electron Spin Dynamics in (DMe- DCNQI)2M (M=Li1-xCux(x<0.14), Ag) J. Low Temperature Physics, 142(3/4), 617-620 (2006). K. Mizoguchi, Y. Shinohara, S. Kazama, M. Hiraoka, H. Sakamoto, R. Kato, K. Hiraki, and T. Takahashi Determination of the π-Charge Distribution of the DMe-DCNQI Molecule in (DMe-DCNQI)2M, M=Li, Ag and Cu J. Low Temperature Physics, 142(3/4), 625-628 (2006). K. Kubo, A. Nakao, H. M. Yamamoto, and R. Kato Preparation and Characterization of Conducting Trimetallic Nickel-Dithiolene Complexes with Bridging Tetrathiooxalate Ligands J. Am. Chem. Soc., 128(38), 12358-12359 (2006). M. Tamura, A. Nakao, and R. Kato Frustration-Induced Valence-Bond Ordering in a New Quantum Triangular Antiferromagnet Based on [Pd(dmit)2] J. Phys. Soc. Jpn., 75(9), 093701/1-093701/4 (2006).　　Papers of Editors' Choice R. Kato, A. Tajima, A. Nakao, and M. Tamura Two Pressure-Induced Superconducting Anion Radical Salts Exhibiting Different Spin States at Ambient Pressure J. Am. Chem. Soc., 128(31), 10016-10017 (2006). Y. Kosaka, H. M. Yamamoto, A. Nakao, and R. Kato Multicomponent Molecular Conductors with Supramolecular Assemblies Prepared from Neutral Iodine-Bearing pBIB (p-Bis(Iodoethynyl)Benzene) and Derivatives Bull. Chem. Soc. Jpn., 79(7), 1148-1154 (2006). M. Uruichi, K. Yakushi, H. M. Yamamoto, and R. Kato Infrared and Raman Studies of the Charge-Ordering Phase Transition at 〜170 K in the Quarter-Filled Organic Conductor, β"-(ET)(TCNQ) J. Phys. Soc. Jpn., 75(7), 074720/1-074720/10 (2006). S. Ohira, M. Tamura, R. Kato, and M. Iwasaki Magnetic Order and Charge Separation in 2D Distorted Triangular Lattice Systems β'-X[Pd(dmit)2]2 Physica B, 374-375, 122-125 (2006). R. Jindo, S. Sugawara, N. Tajima, H. M. Yamamoto, R. Kato, Y. Nishio, and K. Kajita Out-of-Plane Resistance of Quasi-Two Dimensional Metal (BEDT-TTF)3Cl(DFBIB) in Transverse Magnetic Fields J. Phys. Soc. Jpn., 75(1), 013705/1-013705/5 (2006).　　Papers of Editors' Choice H. M. Yamamoto, H. Ito, K. Shigeto, K. Tsukagoshi, and R. Kato Direct Formation of Micro-/Nanocrystalline 2,5-Dimethyl-N, N'-Dicyanoquinonediimine Complexes on SiO2/Si Substrates and Multiprobe Measurement of Conduction Properties J. Am. Chem. Soc., 128, 700-701 (2006). M. Tamura, K. Takenaka, H. Takagi, S. Sugai, A. Tajima, and R. Kato Spectroscopic Evidence for the Low-Temperature Charge-Separated State of [Pd(dmit)2] Salts Chem. Phys. Lett., 411, 133-137 (2005). A. Nakao and R. Kato Structural Study of Low Temperature Charge-Separated Phases of Pd(dmit)2-Based Molecular Conductors J. Phys. Soc. Jpn., 74, 2754-2763 (2005). M. Tamura and R. Kato Spin-1/2 Heisenberg Antiferromagnets on Anisotropic Triangular Lattice, [Pd(dmit)2] Salts -- How do they Release Frustration? Polyhedron, 24, 2817-2820 (2005). K. Kubo, A. Nakao, Y. Ishii, R. Kato, and G. Matsubayashi Structures and Electrical Conductivities of Cation Radical Salts Based on Unsymmetrical [Au(III)(C-N)(S-S)] Type Dithiolate Complexes Synth. Met., 153, 425-428 (2005). T. Takahashi, S. Suzuki, K. Hiraki, H. M. Yamamoto, and R. Kato Electronic Properties of a New Layered Organic Conductor, (BEDT-TTF)3Br(pBIB) Synth. Met., 153, 401-404 (2005). R. Kato, A. Tajima, A. Nakao, N. Tajima, M. Tamura, and J. Yamaura Control of the Electronic State in a Series of Pd(dmit)2 Salts, a Strongly Correlated Electron System with a Quasi-Triangular Lattice Structure Synth. Met., 153, 397-400 (2005). M. Kimata, Y. Oshima, K. Koyama, H. Ohta, M. Motokawa, H. M. Yamamoto, and R. Kato Fermi Surface Study of β"-(BEDT-TTF)(TCNQ) by Magnetooptical Measurements Synth. Met., 153, 369-372 (2005). S. Yasuzuka, S. Uji, K. Enomoto, T. Konoike, M. Nishimura, T. Terashima, D. Graf, E.S. Choi, J. S. Brooks, H. M. Yamamoto, and R. Kato Pressure Effect on Fermi Surface in β"-(ET)(TCNQ) Synth. Met., 152, 437-440 (2005). M. Tamura, A. Tajima, and R. Kato Novel Phase Transition in Et2Me2Sb[Pd(dmit)2]2 at 70 K: A Possible Mechanism Based on Strong Dimerization of Two-Level Molecules Synth. Met., 152, 397-400 (2005). Y. Ishii, M. Tamura, R. Kato, M. Hedo, Y. Uwatoko, and N. Mori Effect of Hydrostatic Pressure on Molecular Conductors, Pd(dmit)2 Salts Synth. Met., 152, 389-392 (2005). S. Yasuzuka, S. Uji, H. M. Yamamoto, J-I. Yamaura, C. Terakura, T. Terashima, T. Yakabe, Y. Terai, R. Maeda, and R. Kato Shubnikov-de Haas Effect and Angular-Dependent Magnetoresistance in New Layered Organic Conductors ET3Cl(DFBIB) and ET3Br(pBIB) J. Phys. Soc. Jpn., 74, 679-685 (2005). N. Tajima, J-I. Fujisawa, N. Naka, T. Ishihara, R. Kato, Y. Nishio, and K. Kajita Photo-Induced Insulator-Metal Transition in an Organic Cunductor α-(BEDT-TTF)2I3 J. Phys. Soc. Jpn., 74, 511-514 (2005).　　Papers of Editors' Choice A. Tajima, A. Nakao, and R. Kato Uniaxial Strain Effects in the Conducting Pd(dmit)2 System (dmit=1,3-Dithiol-2-Thione-4,5-Dithiolate) J. Phys. Soc. Jpn., 74, 412-416 (2005). T. Takahashi, K. Hiraki, S. Moroto, N. Tajima, Y. Takano, Y. Kubo, H. Satsukawa, R. Chiba, H. M. Yamamoto, R. Kato, and T. Naito Charge Disproportionation, Everywhere! J. Phys. IV France: Proceedings (2005), 131(ECRYS-2005, International Workshop on Electronic Crystals, 2005), 3-8 (2005). M. Kimata, H. Ohta, K. Koyama, Y. Oshima, M. Motokawa, H. M. Yamamoto, and R. Kato Development of the High Field Magneto-Optical Measurement System with a Rotational Cavity for the Study of Organic Conductors High Magnetic Fields in SemiConductor Physics, Proceedings of the International Conference on High Magnetic Fields in SemiConductor Physics, 16th, Tallahassee, FL, United States, Aug. 2-6, 2004, 355-358 (2005). T. Ito, A. Chainani, T. Haruna, K. Kanai, T. Yokoya, S. Shin, and R. Kato Temperature-Dependent Luttinger Surfaces Phys. Rev. Lett., 95, 246402/1-246402/4 (2005). R. Kato Conducting Metal Dithiolene Complexes: Structural and Electronic Properties Chem. Rev., 104, 5319-5346 (2004). S. Ohira, M. Tamura, R. Kato, I. Watanabe, and M. Iwasaki Muon Spin Relaxation Study on Magnetic Transition in a Two-Dimensional Distorted Triangular Lattice β'-Me4P[Pd(dmit)2]2 Phys. Rev., B, 70, 220404 (2004). M. Tamura and R. Kato Valence Instability in a Dimer of Two-Orbital System: Possible Charge Separation due to 'Negative U' Effect Chem. Phys. Lett., 387, 448-452 (2004). M. Tamura and R. Kato Effective On-Site Repulsion in Molecular Conductors with Dimeric Structure: Is the Transfer Integral a Good Measure of Correlation? J. Phys. Soc. Jpn., 73, 3108-3110 (2004). J-I. Yamaura, A. Nakao, and R. Kato Crystal and Electronic Structures of Molecular Conductor β'-Et2Me2P[Pd(dmit)2]2 (dmit = C3S5) under High Pressure J. Phys. Soc. Jpn., 73, 976-982 (2004). R. Kato, A. Tajima, N. Tajima, A. Nakao, and M. Tamura Electronic States of a Strongly Correlated Two-Dimensional System, Pd(dmit)2 Salts, Controlled by Uni-Axial Strain and Counter Cations J. Phys. IV France, 114, 411-417 (2004). M. Tamura and R. Kato Anisotropic Triangular Lattice Antiferromagnets, [Pd(dmit)2] Salts - Frustration and Dimensional Crossover in Spin-1/2 Heisenberg Systems J. Phys. IV France, 114, 383-384 (2004). S. Ohira, M. Tamura, R. Kato, I. Watanabe, and M. Iwasaki μSR Study on Magnetic Property of [Pd(dmit)2] Salts J. Phys. IV France, 114, 355-356 (2004). M. Miyashita, K. Uchiyama, H. Taniguchi, K. Satoh, Y. Uwatoko, N. Tajima, M. Tamura, and R. Kato High-Pressure Study of a Mott Insulator (BEDT-TTF) (TCNQ) J. Phys. IV France, 114, 333-334 (2004). N. Tajima, A. Tajima, M. Tamura, R. Kato, Y. Nishio, and K. Kajita Pressure Control of Transport Property of Organic Conductors; α-, θ-(BEDT-TTF)2I3 and θ-(DIETS)2[Au(CN)4] J. Phys. IV France, 114, 263-267 (2004). S. Yasuzuka, D. Graf, E. S. Choi, J. S. Brooks, T. Terashima, T. Konoike, K. Enomoto, M. Nishimura, H. M. Yamamoto, R. Kato, and S. Uji Pressure-Induced Fermi Surface Change in Quasi-One-Dimensional Conductor β"-(ET)(TCNQ) J. Phys. IV France, 114, 157-158 (2004). K. Yakushi, M. Uruichi, H. Yamamoto, and R. Kato Dynamical Fluctuation of the Site-Charge Density in Metallic β"-(BEDT-TTF)(TCNQ) J. Phys. IV France, 114, 149-151 (2004). H. Ohta, M. Kimata, Y. Oshima, K. Koyama, M. Motokawa, H. M. Yamamoto, R. Kato, H. Nishikawa, K. Kikuchi, and I. Ikemoto Magnetooptical Measurements of Low Dimensional Organic Conductors Tohoku Daigaku Kinzoku Zairyo Kenkyusho Kyojiba Chodendo Zairyo Kenkyu Senta Nenji Hokoku, Volume Date 2003, 129-132 (2004). M. Kimata, H. Ohta, K. Koyama, Y. Oshima, M. Motokawa, H. M. Yamamoto, and R. Kato Development of the High Field Magneto-Optical Measurement System with a Rotational Cavity for the Study of Organic Conductors International Journal of Modern Physics B: Condensed Matter Physics, Statistical Physics, Applied Physics, 18(27, 28 & 29), 3803-3806 (2004). M. Kimata, Y. Oshima, H. Ohta, K. Koyama, M. Motokawa, H. M. Yamamoto, and R. Kato Magnetooptical Measurements of β"-(BEDT-TTF)(TCNQ) Physica B: Condensed Matter, 346-347, 382-386 (2004). M. Hiraoka, H. Sakamoto, K. Mizoguchi, T. Kato, and R. Kato Charge Transport in the Insulating State of (DMe-DCNQI)2Li above TSP: A Possible Fractional Charge Soliton Conduction with ±1/2e Phys. Rev. Lett., 91, 056604/1-056604/4 (2003). S. Uji, T. Terashima, S. Yasuzuka, J. Yamaura, H. M. Yamamoto, and R. Kato Fermi Surface and Angular-Dependent Magnetoresistance in the Organic Conductor (BEDT-TTF)2Br(DIA) Phys. Rev. B, 68, 064420/1-064420/7 (2003). A. Kurita, M. Miyasaka, H. Taniguchi, K. Satoh, M. Tamura, R. Kato, M. Hedo, and Y. Uwatoko Development of AC Susceptibility Technique under High Pressure and its Application to Organic Superconductor Physica C, 388-389, 603-604 (2003). N. Hanasaki, H. Tajima, T. Imakubo, and R. Kato Charge-Density-Wave State within Pd(dmit)2 layer in Two-Dimensional Molecular Conductor (IEDT)[Pd(dmit)2] J. Phys. Soc. Jpn., 72, 2291-2298 (2003). N. Tajima, T. Imakubo, R. Kato, Y. Nishio, and K. Kajita Uniaxial Strain Effects on Transport Properties of a Supramolecular Organic Conductor θ-(DIETS)2[Au(CN)4] J. Phys. Soc. Jpn., 72, 1014-1017 (2003). T. Imakubo, N. Tajima, T. Shirahata, A. Miyake, H. Sawa, T. Nakamura, H. Ohnuki, M. Tamura, R. Kato, M. Izumi, Y. Nishio, and K. Kajita Crystal Design of Organic Conductors Using the Iodine Bond Synth. Met., 135-136, 601-602 (2003). R. Kato, N. Tajima, A. Tajima, M. Tamura, and J. Yamaura Superconductivity Induced by Uniaxial Strain in the Pd(dmit)2 System Synth. Met., 137, 1233-1234 (2003). M. Hiraoka, H. Sakamoto, K. Mizoguchi, and R. Kato Evidence for Spin Solitons in Spin-Peierls System (DMe-DCNQI)2Li Synth. Met., 135-136, 649-650 (2003). S. Yasuzuka, C. Terakura, T. Terashima, T. Yakabe, Y. Terai, H. M. Yamamoto, R. Kato, and S. Uji Fermi Surface and Resistance Anomalies in ET-TCNQ Synth. Met., 135-136, 647-648 (2003). H. M. Yamamoto, N. Tajima, M. Hagiwara, R. Kato, and J.-I. Yamaura Strange Electric/Magnetic Behaviour of New (BEDT-TTF)(TCNQ) Synth. Met., 135-136, 623-624 (2003). Y. Takano, K. Hiraki, R. Kato, and T. Takahashi Pressure Effect on β'-Pd(dmit)2 Salts Synth. Met., 135-136, 593-594 (2003). K. Kato, K. Oshima, T. Kambe, Y. Nogami, T. Sasaki, M. Motokawa, and R. Kato Fermi Surface and Low Temperature Structure in (DMET-TSeF)2Au(CN)2 Synth. Met., 135-136, 577-578 (2003). Y. Oshima, H. Ohta, K. Koyama, M. Motokawa, H. M. Yamamoto, R. Kato, M. Tamura, Y. Nishio, and K. Kajita Fermi Surface Study of Quasi-Two-Dimensional Organic Conductors by Magnetooptical Measurements J. Phys. Soc. Jpn., 72, 143-148 (2003). Y. Nishio, S. Sasaki, Y. Mori, K. Kajita, S. Aonuma, H. Sawa, M. Tamura, and R. Kato Deuterium Freedom and M-I Transition in (DMe-DCNQI)2Cu System Synth. Met., 133-134, 569-571 (2003). M. Fujiwara, N. Tajima, T. Imakubo, M. Tamura, and R. Kato New Te-Based Counter Anions for Conducting Cation Radical Salts: Tetraiodotellurate(II) and Hexaiododitellurate(II) Synth. Met., 133-134, 459-461 (2003). Y. Oshima, H. Ohta, H. M. Yamamoto, R. Kato, K. Koyama, and M. Motokawa Magnetooptical Measurements of BEDT-TTF Salts Containing Supramolecular Assemblies Synth. Met., 133-134, 453-454 (2003). H. M. Yamamoto, M. Hagiwara, and R. Kato New Phase of (BEDT-TTF)(TCNQ) Synth. Met., 133-134, 449-451 (2003). Y. Takano, K. Hiraki, T. Takahashi, and R. Kato Electronic Properties of Two Band System, β'-Pd(dmit)2 Salts Synth. Met., 133-134, 423-424 (2003). T. Sakurai, H. Ohta, S. Okubo, R. Kato, and T. Nakamura Temperature Dependence Millimeter Wave ESR Measurements of Et2Me2P[Pd(dmit)2]2 Synth. Met., 133-134, 421-422 (2003). M. Hiraoka, H. Sakamoto, K. Mizoguchi, and R. Kato Spin Soliton Dynamics and Magnetic Susceptibility of (DMe-DCNQI)2Li by ESR under Pressure Synth. Met., 133-134, 417-418 (2003). J. Yamaura, R. Kato, S. Tarutani, and K. Takahashi High Pressure X-Ray Study on CPDT-TCNQ Anion Radical Salts Synth. Met., 133-134, 411-413 (2003). T. Shirahata, T. Mori, R. Kato, and K. Takahashi Synthesis, Crystal Structures and Electrical Properties of Cation Radical Salts of Selenium-Containing π-Extended Donors, BEDT-HBDST and BEDT-HSTT Synth. Met., 133-134, 321-324 (2003). T. Yamamoto, H. Tajima, R. Kato, M. Uruichi, and K. Yakushi Thermoelectric Power and Raman Spectra of (Me2DCNQI)2CuxLi1-x Synth. Met., 133-134, 291-292 (2003). Y. Shimojo, M. A. Tanatar, T. Ishiguro, and R. Kato Upper Critical Field of Quasi One-Dimensional Superconductor (DMET-TSeF)2AuI2 under Oriented Magnetic Fields Synth. Met., 133-134, 247-249 (2003). T. Imakubo, N. Tajima, M. Tamura, R. Kato, Y. Nishio, and K. Kajita Supramolecular Organic Conductor θ-(DIETS)2[Au(CN)4]: unique Crystal Structure and Superconductivity under Uniaxial Strain (DIETS=diiodo(ethylenedithio)diselenadithiafulvalene) Synth. Met., 133-134, 181-183 (2003). S. Yasuzuka, C. Terakura, T. Terashima, T. Yakabe, Y. Terai, H. M. Yamamoto, J. Yamaura, R. Maeda, R. Kato, and S. Uji Fermi Surface in New Layered Organic Conductors (BEDT-TTF)3Br(pBIB) and (BEDT-TTF)3Cl(DFBIB) Synth. Met., 133-134, 169-171 (2003). M. Hiraoka, H. Sakamoto, K. Mizoguchi, and R. Kato Evidence for Spin Solitons and their Dynamics in a Spin-Peierls System (DMe-DCNQI)2Li Phys. Rev. B, 65, 174413-1-174413-4 (2002). M. Fujiwara, N. Tajima, T. Imakubo, M. Tamura, and R. Kato Structural and Physical Properties of New Conducting Cation Radical Salts with Te-Based Counteranions, Tetraiodotellurate(II) and Hexaiododitellurate(II) J. Solid State Chem., 168, 396-407 (2002). M. Tamura and R. Kato Magnetic Susceptibility of β'-[Pd(dmit)2] Salts (dmit=1,3-dithiol-2-thione-4,5-dithiolate, C3S5): Evidence for Frustration in Spin-1/2 Heisenberg Antiferromagnets on a Triangular Lattice J. Phys.: Condens. Matter, 14, L729-L734 (2002). M. Fujiwara, and R. Kato Unique Structural and Physical Properties of Ni(dmit)2 Anion Radical Salts Characterized by Short Te…S Contacts (dmit=1,3-dithiole-2-thione-4,5-dithiolate) J. Chem. Soc., Dalton Trans., 2002, 3763-3770. T. Sakurai, H. Ohta, S. Okubo, R. Kato, and T. Nakamura X-Band ESR Measurements of Et2Me2P[Pd(dmit)2]2 Proc. 3rd Asia-Pacific EPR/ESR Symposium (APES'01), 2002, 197-200. Y. Oshima, H. Ohta, H. M. Yamamoto, and R. Kato ESR Studies of BEDT-TTF Organic Conductors Containing Supramolecular Assemblies Proc. 3rd Asia-Pacific EPR/ESR Symposium (APES'01), 2002, 312-315. T. Yamamoto, H. Tajima, R. Kato, M. Uruichi, and K. Yakushi Raman Spectra of (Me2-DCNQI)2CuxLi1-x(0 ≦ x ≦ 1): The Evidence for Charge Separation at Room Temperature in a One-Dimensional Conductor Having a Quarter-Filled Band J. Phys. Soc. Jpn., 71, 1956-1964 (2002). Y. Oshima, H. Ohta, K. Koyama, M. Motokawa, H. M. Yamamoto, and R. Kato Observation of High-Order Harmonic Resonances in Magnetooptical Measurement of (BEDT-TTF)2Br(DIA) J. Phys. Soc. Jpn., 71, 1031-1034 (2002). Y. Shimojo, M. A. Tanatar, T. Ishiguro, and R. Kato Superconductivity and Magnetoresistance Oscillations in Weakly Pressurized Quasi One-Dimensional Superconductor (DMET-TSeF)2AuI2 J. Phys. Soc. Jpn., 71, 393-396 (2002). T. Kawamoto, M. Ashizawa, T. Mori, J.-I. Yamaura, R. Kato, Y. Misaki, and K. Tanaka Dimerization Effect on the Physical Properties in New One-Dimensional Organic Conductors: (ChTM-TTP)2AuBr2, (ChTM-TTP)2GaCl4, and (ChTM-TTP)ReO4 Bull. Chem. Soc. Jpn., 75, 435-447 (2002).　　The Best Article of the Month T. Imakubo, N. Tajima, M. Tamura, R. Kato, Y. Nishio, and K. Kajita A Supramolecular Superconductor θ-(DIETS)2[Au(CN)4] J. Mater. Chem., 12, 159-161 (2002). T. Sakurai, Y. Inagaki, S. Okubo, H. Ohta, R. Kato, and T. Nakamura Frequency Dependence Millimeter Wave ESR Measurements of Et2Me2P[Pd(dmit)2]2 Mol. Cryst. Liq. Cryst., 379, 59-64 (2002). T. Nakamura, T. Takahashi, S. Aonuma, and R. Kato g-Tensor Analyses of β'-Type Pd(dmit)2 Metal Complexes Mol. Cryst. Liq. Cryst., 379, 53-58 (2002). J.-I. Yamaura, and R. Kato High Pressure X-Ray Crystal Structure Analysis of Pd(dmit)2 Salts Mol. Cryst. Liq. Cryst., 379, 47-52 (2002). S. Ohira, M. Tamura, and R. Kato Superconductivity of [Pd(dmit)2] Salts under Pressure Studied by an RF Technique Mol. Cryst. Liq. Cryst., 379, 41-46 (2002). M. Tamura, T. Imakubo, K. Yamanaka, Y. Mori, Y. Nishio, K. Kajita, Y. Misaki, K. Tanaka, H. Mori, S. Tanaka, J.-I. Yamaura, and R. Kato Preparation, Structure and Electronic Properties of Some Organic Donor Salts of Rare-Earth Complex Anions: Novel 4f-π Composite Conductors Mol. Cryst. Liq. Cryst., 379, 35-40 (2002). R. Kato, T. Imakubo, H. Yamamoto, R. Maeda, M. Fujiwara, J.-I. Yamaura, and H. Sawa An Application of Supramolecular Chemistry to Molecular Conductors Mol. Cryst. Liq. Cryst., 380, 61-68 (2002). R. Kato, N. Tajima, M. Tamura, and J.-I. Yamaura Uniaxial Strain Effect in a Strongly Correlated Two-Dimensional System β'-(CH3)4As[Pd(dmit)2]2 Phys. Rev. B, 66, 020508/1-020508/4 (2002). S. Uji, C. Terakura, T. Terashima, Y. Okano, and R. Kato Anisotropic Superconductivity and Dimensional Crossover in (TMET-STF)2BF4 Phys. Rev. B, 64, 214517/1-214517/6 (2001). K. Oshima, T. Sasaki, M. Motokawa, and R. Kato Quantized Hall Effect-Like Behavior in (DMET-TSeF)2AuI2 Synth. Met., 120, 943-944 (2001). M. Tamura, K. Yamanaka, Y. Mori, Y. Nishio, K. Kajita, H. Mori, S. Tanaka, J.-I. Yamaura, T. Imakubo, R. Kato, Y. Misaki, and K. Tanaka π-f Composite Metals Synth. Met., 120, 1041-1042 (2001). Y. Nishio, S. Sasaki, M. Tamura, K. Kajita, S. Aonuma, H. Sawa, and R. Kato Anomalous Specific Heat of (DMe-DCNQI d2[1,1;0]1-xd4[2,2;0]x)2 Cu-System Synth. Met., 120, 1047-1048 (2001). T. Nakamura, T. Takahashi, S. Aonuma, and R. Kato EPR Investigation of the Electronic States in β'-Type [Pd(dmit)2]2 Compounds (where dmit is 2-Thioxo-1,3-Dithiole-4,5-Dithiolate) J. Mater. Chem., 11, 2159-2162 (2001). H. Ohta, T. Sakurai, S. Okubo, R. Kato, and T. Nakamura High Field ESR Measurements of Me4As[Pd(dmit)2]2 Synth. Met., 120, 891-892 (2001). K. Kawamoto, M. Ashizawa, T. Mori, J. Yamaura, R. Kato, Y. Misaki, and K. Tanaka Ground States of One-Dimensional Organic Conductors Based on ChTM-TTP Synth. Met., 120, 793-794 (2001). T. Imakubo, T. Iijima, K. Kobayashi, and R. Kato A New Synthetic Route to TTF-Vinylogues Synth. Met., 120, 899-900 (2001). T. Yamamoto, N. Hanasaki, J. Yamaura, S. Aonuma, H. Tajima, K. Yakushi, M. Uruichi, and R. Kato Phase Diagrams of (DMe-DCNQI)2Li1-xCux System Synth. Met., 120, 873-874 (2001). J. Yamaura, M. Fujiwara, R. Kato, T. Chonan, and K. Takahashi Cation Effect on Structural and Physical Properties of Purely One-Dimensional Electronic System [D](CPDT-TCNQ)2 [D=Cation] Synth. Met., 120, 913-914 (2001). T. Imakubo, A. Miyake, H. Sawa, and R. Kato Synthesis and Physical Properties of (DIETS)2[Au(CN)4]: A New θ-Salt with a Unique Donor…Anion Network Synth. Met., 120, 927-928 (2001). H. M. Yamamoto, R. Maeda, J. Yamaura, and R. Kato Structural and Physical Properties of Conducting Cation Radical Salts Containing Supramolecular Assemblies Based on p-Bis(iodoethynyl)benzene Derivatives J. Mater. Chem., 11, 1034-1041 (2001). R. Kato, M. Fujiwara, Y. Kashimura, and J. Yamaura Development of Molecular Conductors Derived from Metal Dithiolene Complexes Synth. Met., 120, 675-678 (2001). E. Watanabe, M. Fujiwara, J. Yamaura, and R. Kato Synthesis and Properties of Novel Donor-Type Metal-Dithiolene Complexes Based on 5,6-Dihydro-1,4-Dioxin-2,3-Dithiol (edo) Ligand J. Mater. Chem., 11, 2131-2141 (2001). H. M. Yamamoto, R. Maeda, J. Yamaura, and R. Kato Multicomponent Molecular Conductors with Supramolecular Assembly : Supramolecules with Various Dimensionality Synth. Met., 120, 781-782 (2001). N. Biskup, J. S. Brooks, R. Kato, and K. Oshima Angular Magnetoresistance in the (DMET-TSeF)2X Family: (X=AuCl2, AuI2) : Field-Induced Spin-Density Waves and Commensurability Effects Phys. Rev. B., 62, 21-24 (2000). T. Nakamura, H. Tsukada, T. Takahashi, S. Aonuma, and R. Kato Low Temperature Electronic States of β'-Type Pd(dmit)2 Compounds Mol. Cryst. Liq. Cryst., 343, 187-192 (2000). R. Kato, E. Watanabe, M. Fujiwara, Y. Kashimura, Y. Okano, and J. Yamaura Conducting Properties of Assembled Metal Complexes Mol. Cryst. Liq. Cryst., 343, 1-8 (2000). H. M. Yamamoto and R. Kato Design, Preparation, and Characterization of Novel ET Salts with Supramolecular Assembly --Sheet and Chain Structures Based on Difluorotetraiodobenzene-- Chem. Lett., 29(8), 970-971 (2000). T. Yamamoto, H. Tajima, and R. Kato Magnetic Susceptibility of (DMe-DCNQI)2Li1-xCux Solid State Commun., 114, 281-284 (2000). Y. Nishio, M. Tamura, K. Kajita, S. Aonuma, H. Sawa, R. Kato, and H. Kobayashi Thermodynamical Study of (DMe-DCNQI)2Cu System --Mechanism of Reentrant Metal-Insulator Transition-- J. Phys. Soc. Jpn., 69(5), 1414-1422 (2000). R. Kato Conductive Copper Salts of 2,5-DiSubstituted N,N'-Dicyanobenzoquinonediimines (DCNQIs): Structural and Physical Properties Bull. Chem. Soc. Jpn., 73(3), 515-534 (2000). S. Golhen, L. Ouahab, A. Lebeuze, M. Bouayed, P. Delhaes, Y. Kashimura, R. Kato, L. Binet, and J.-M. Fabre Preparation, Crystal Structures, EHT Band Calculations and Physical Properties of κ-(EDS-EDT-TTF)2[Ag2(CN)3] and α-(BETS)2Ag(CN)2 J. Mater. Chem., 9, 387-393 (1999). T. Yamamoto, H. Tajima, J. Yamaura, S. Aonuma, and R. Kato Reflectance Spectra and Electrical Resistivity of (Me2-DCNQI)2Li1-xCux J. Phys. Soc. Jpn., 68(4), 1384-1391 (1999). S. Rouziere, N. Hanasaki, R. Kato, and H. Tajima Upper Critical Field of the Molecular Superconductor β'-Et2Me2P[Pd(dmit)2]2 Solid State Commun., 112, 295-300 (1999). S. Rouziere, J.-I. Yamaura, and R. Kato Low-Temperature Structural Studies of Molecular β'-Pd(dmit)2 Conductors Phys. Rev. B, 60(5), 3113-3119 (1999). S. Kyoden, N. Hanasaki, H. Tajima, Y. Okano, and R. Kato Physical Properties of (TMET-STF)2BF4 Synth. Met., 103, 2089-2089 (1999). Y. Okano, M. Iso, Y. Kashimura, J. Yamaura, and R. Kato A New Synthesis of Se-Containing TTF Derivatives Synth. Met., 102, 1703-1704 (1999). H. M. Yamamoto, J. Yamaura, and R. Kato Physical Properties of Multi-Component Molecular Conductors with Supramolecular Assembly Synth. Met., 102, 1515-1516 (1999). J. Yamaura, R. Kato, H. Tajima, S. Tarutani, and K. Takahashi Low Temperature X-Ray Study of Purely One-Dimensional Electronic System Me4X(CPDT-TCNQ)2 (X=As, N) Synth. Met., 103, 2212-2213 (1999). L.Vignau, H. Ohnuki, Y. Ishizaki, R. Kato, T. Imakubo, and M. Izumi Cunducting Properties of Langmuir-Blodgett Films Based on BEDO-TTF Synth. Met., 102, 1723-1724 (1999). S. Uji, C. Terakura, T. Terashima, H. Aoki, Y. Okano, and R. Kato Superconductivity and Augular Dependent Magnetoresistance Oscillation in (TMET-STF)2BF4 Synth. Met., 103, 2200-2201 (1999). S. Uji, C. Terakura, T. Terashima, H. Aoki, H. M. Yamamoto, J. Yamaura, and R. Kato Fermi Surface of (BEDT-TTF)2Br(DIA) Synth. Met., 103, 1978-1978 (1999). M. Yamane, T. Nakamura, T. Takahashi, S. Aonuma, R. Kato, and H. Sawa Impurity Effect on the Spin-Peierls State of (DMe-DCNQI)2Li1-xCux Synth. Met., 103, 2196-2196 (1999). H. Tajima, T. Yamamoto, J. Yamaura, S. Aonuma, and R. Kato The Study of 4kF CDW in a One-Dimensional System, (DMe-DCNQI)2Li1-xCux Synth. Met., 103, 2193-2194 (1999). S. Rouziere, R. Kato, S. Aonuma, and H. Sawa Low Temperature X-Ray Studies of β'-Pd(dmit)2 Salts Synth. Met., 103, 1942-1943 (1999). K. Oshima, T. Sasaki, M. Motokawa, S. Aonuma, and R. Kato High Field Hall Effect in (DMET-TSeF)2AuCl2 Synth. Met., 103, 1917-1918 (1999). H. Ohnuki, M. Nagata, Y. Ishizaki, T. Imakubo, K. Kobayashi, R. Kato, and M. Izumi Preparation of New Conducting Langmuir-Blodgett Films Based on Oxygen Substituted TTF Derivative Synth. Met., 102, 1699-1700 (1999). T. Nakamura, H. Yamane, T. Takahashi, S. Aonuma, and R. Kato ESR and NMR Investigation of β'-R4Z[Pd(dmit)2]2 Synth. Met., 103, 2142-2142 (1999). Y. Kashimura, Y. Okano, J. Yamaura, and R. Kato Synthesis, Structures and Physical Properties of Molecular Conductors Based on Unsymmetrical Metal-Dithiolene Complexes Synth. Met., 103, 2123-2124 (1999). M. Inoue, M. Sasaki, H. Negishi, and R. Kato Transport Properties of Molecular Conductor (DMe-DCNQI)2Cu and its Deuterated Crystals Synth. Met., 103, 2103-2104 (1999). N. Hanasaki, H. Tajima, R. Kato, T. Imakubo, and H. Sawa Hybrid-Dimensional System in M(dmit)2 Salts Synth. Met., 103, 2086-2086 (1999). S. Aonuma and R. Kato Anomalous Role of Carbon and Nitrogen Isotopes in (DMe-DCNQI)2Cu System Synth. Met., 102, 1749-1750 (1999). R. Kato, K. Yamamoto, Y. Kashimura, Y. Okano, and S. Aonuma Two-Band System: A Candidate for New Molecular Materials Synth. Met., 103, 2020-2023 (1999). H. M. Yamamoto, J. Yamaura, and R. Kato Preparation of Multi-Component Molecular Conductors with Supramolecular Assembly Synth. Met., 102, 1448-1451 (1999). J. Yamaura, R. Kato, Y. Nagai, H. Saito, and T. Hyodo X-Ray Diffraction Study of [Zn(1-propyltetrazole)6](BF4)2 Single Crystal Phys. Rev. B, 58(21), 14098-14101 (1999). S. Uji, C. Terakura, T. Terashima, H. Aoki, H. M. Yamamoto, J. Yamaura, and R. Kato Angular Dependent Magnetoresistance Oscillation in an Organic Conductor (BEDT-TTF)2Br(DIA) Proc. 4th Int. Symposium on Advanced Physical Fields: Quantum Phenomena in Advanced Materials at High Magnetic Fields, 1998, 299-301. H. Ohnuki, M. Izumi, Y. Ishizaki, M. Nagata, T. Imakubo, and R. Kato ESR Properties of Langmuir-Blodgett Films Based on BO and Behenic Acid Thin Solid Films, 327-329, 458-460 (1998). J. Sakata, H. Sato, A. Miyazaki, T. Enoki, Y. Okano and R. Kato Superconductivity in New Organic Conductor κ-(BEDSe-TTF)2CuN(CN)2Br Solid State Commun., 108(6), 377-381 (1998). H. M. Yamamoto, J. Yamaura, and R. Kato Multicomponent Molecular Conductors with Supramolecular Assembly: Iondine-Containing Neutral Molecules as Building Blocks J. Am. Chem. Soc., 120(24), 5905-5913 (1998). M. Sasaki, S. Tanaka, H. Negishi, M. Inoue, and R. Kato Static and Dynamic Transport Studies of Molecular Conductors (DMe-DCNQI)2Cu J. Phys. Soc. Jpn., 67(5), 1693-1703 (1998). A. Kobayashi, A. Miyamoto, R. Kato, A. Sato, and H. Kobayashi Electrical and Structural Properties and Phase Diagram of a Molecular Superconductor β-[(CH3)4N][Pd(dmit)2]2 Bull. Chem. Soc. Jpn., 71(5), 997-1006 (1998). O. Akaki, A. Chainani, T. Takahashi, Y. Kashimura, and R. Kato Temperature-Dependent Core-Level X-Ray Photoemission Spectroscopy of the Organic Conductors (MeCl-DCNQI)2Cu, (MeBr-DCNQI)2Cu, and (DI-DCNQI)2Cu Phys. Rev. B, 57(19), 11846-11849 (1998). S. Kagoshima, Y. Saito, N. Hanasaki, T. Hasegawa, T. Osada, H. Sawa, R. Kato, N. Miura, and G. Saito Electronic States of Low-Dimensional Organic Conductors (DMe-DCNQI)2Cu and α-(BEDT-TTF)2KHg(SCN)4 under Pressure Rev. High Pressure Sci. Technol., 7, 437-442 (1998). R. Kato, Y. Kashimura, S. Aonuma, N. Hanasaki, and H. Tajima A New Molecular Superconductor β'-Et2Me2P[Pd(dmit)2]2 (dmit = 2-Thioxo-1,3-Dithiole-4,5-Dithiolate) Solid State Commun., 105(9), 561-565 (1998). H. M. Yamamoto, J. Yamaura, and R. Kato Structural and Electrical Properties of (BEDT-TTF)2X(diiodoacetylene) (X=Cl, Br): The Novel Self-Assemby of Neutral Lewis-Acidic Molecules and Halide Anions in a Molecular Metal J. Mater. Chem., 8(1), 15-16 (1998). H. M. Yamamoto, J. Yamaura, and R. Kato Azulene-Substituted TTF Derivatives J. Mater. Chem., 8(2), 289-294 (1998). R. Kato Recent Developments in the Studies on Molecular Conductors Containing Transition Metals Physica B, 237-238, 181-185 (1997). A. Sekiyama, A. Fujimori, S. Aonuma, and R. Kato Observation of Anisotropy in the Electronic States of N,N'-Dicyanoquinonediimine-Cu Salt by X-Ray-Absorption Spectroscopy Phys. Rev. B, 56(15), 9937-9941 (1997). H. Ohnuki, T. Noda, M. Izumi, T. Imakubo, and R. Kato Observation of Metallic Conductivity down to 14 K in Langmuir-Blodgett Films Based on BEDO-TTF and Behenic Acid Phys. Rev. B, 55(16), R10225-R10228 (1997). H. Ohnuki, T. Noda, M. Izumi, T. Imakubo, and R. Kato A Novel Strategy to Prepare Conducting LB Films Based on TTF Derivatives Supramolecular Science, 4(3-4), 413-416 (1997). R. Kato, Y-L. Liu, Y. Hosokoshi, S. Aonuma, and H. Sawa Se-Aubstitution and Cation Effects on the High-Pressure Molecular Superconductor, β-Me4N[Pd(dmit)2]2 --A Unique Two-Band System-- Mol. Cryst. Liq. Cryst., 296, 217-244 (1997). R. Kato, Y. Kashimura, H. Sawa, and Y. Okano Synthesis, Structure, and Electrochemical Properties of New "Unsymmetrical" Metal Dithiolate Complexes Chem. Lett., 26(9), 921-922 (1997). R. Kato, K. Yamamoto, Y. Okano, H. Tajima, and H. Sawa A New Ambient-Pressure Organic Supercondcutor (TMET-STF)2BF4 [TMET-STF = Trimethylene-(Ethylenedithio)Diselenadithiafulvalene] Chem. Commun., 1997(10), 947-948. Y. Tsuchiya, T. Nakamura, T. Takahashi, Y.-L. Liu, H. Sawa, and R. Kato NMR Investigation of the Insulating State in (CH3)4P[Pd(dmise)2]2 Synth. Met., 86, 2117-2118 (1997). S. Hill, S. Sandhu, M. Boonman, S. Uji, J. A. A. J. Perenboom, A. Wittlin, J. S. Brooks, R. Kato, H. Sawa, and S. Aonuma Cyclotron Resonance Studies of the Molecular Conductor (DMe-DCNQI)2Cu Synth. Met., 86, 2113-2114 (1997). H. Tajima, S. Aonuma, H. Sawa, and R. Kato Infrared Reflectance Spectra of DCNQI Salts Synth. Met., 86, 2101-2102 (1997). N. Maruyama, T. Nakamura, T. Takahashi, S. Aonuma, H. Sawa, and R. Kato 1H-NMR Studies of (DMe-DCNQI-d7)2Cu1-xLix Synth. Met., 86, 2093-2094 (1997). H. Sawa, S. Aonuma, Y. Kashimura, and R. Kato Novel Electronic States in the (DCNQI)2Cu System Synth. Met., 86, 2091-2092 (1997). R. Kato, Y-L. Liu, S. Aonuma, and H. Sawa Molecular Conductors Based on Pd(dmit)2 and Related Metal Dithiolene Complexes--A Unique Two-Band System-- Synth. Met., 86, 2087-2088 (1997). N. Someya, Y. Nishio, M. Tamura, K. Kajita, S. Aonuma, H. Sawa, R. Kato, and H. Kobayashi Thermal Study of Reentrant Metal-Insulator Transition in Deuterated (DMe-DCNQI)2Cu Synth. Met., 86, 2077-2078 (1997). T. Sekine, T. Kamioka, R. Kawano, K. Tsutsumi, Y. Tanokura, S. Aonuma, H. Sawa, and R. Kato Observation of the Order of Cu Ions in the Mixed-Valence State of (DMe-DCNQI)2Cu by Raman Scattering Synth. Met., 86, 2071-2072 (1997). T. Imakubo, H. Sawa, H. Tajima, and R. Kato Novel Organic Conductors Containing Lanthanide Element in Counter Anion Synth. Met., 86, 2047-2048 (1997). S. Uji, T. Terashima, H. Aoki, S. Valfells, J. S. Brooks, K. Yamamoto, Y. Okano, H. Sawa, and R. Kato Phase Transition and Magnetoresistance in Quasi-One-Dimensional Conductor (TMET-STF)2Au(CN)2 Synth. Met., 86, 2035-2036 (1997). M. Izumi, H. Ohnuki, R. Kato, B. Desbat, P. Delhaes, and V. Yartsev Infrared Properties on Langmuir-Blodgett Films and Single Crystals of Radical Cation Salt [EDT-TTF(SC18)2]2I3 Synth. Met., 86, 1989-1990 (1997). K. Oshima, H. Okuno, H. Fujimura, Y. Nogami, S. Aonuma, and R. Kato Characteristic SDW and FISDW Behavior in (DMET-TSeF)2X System Synth. Met., 86, 1965-1966 (1997). K. Takagawa, N. Maruyama, K. Hiraki, T. Nakamura, T. Takahashi, Y. Kashimura, S. Aonuma, H. Sawa, and R. Kato 13C-NMR Studies of the Metallic State of (DCNQI)2Cu Synth. Met., 86, 1915-1916 (1997). T. Imakubo, H. Sawa, and R. Kato Synthesis and Properties of Novel Iodine-Bonded π-Donors Containing Selenium atoms, Oxygen Atoms or Extended π-System Synth. Met., 86, 1883-1884 (1997). S. Aonuma, H. Sawa, and R. Kato Preparation, Structure, and Conductivity of Et2Me2Z (Z=P, As, Sb) Salts of M(dmit)2 and M(dmise)2 (M=Ni, Pd) Synth. Met., 86, 1881-1882 (1997). T. Imakubo, H. Sawa, and R. Kato Crystal Engineering in Molecular Conductors Based on Iodine-Bonded π-Donors Synth. Met., 86, 1847-1848 (1997). Y. Okano, K. Yamamoto, T. Imakubo, H. Sawa, and R. Kato Syntheses, Structures and Electrical Properties of Cation Radical Salts Based on TTF Derivatives Containing O, S, and Se Synth. Met., 86, 1829-1830 (1997). T. Naito, T. Inabe, E. Arai, M. Tamura, Y. Nishio, K. Kajita, R. Kato, A. Kobayashi, and H. Kobayashi Electrical and Magnetic Properties of DED Salts Synth. Met., 86, 1815-1816 (1997). F. L. Pratt, P. A. Pattenden, S. J. Blundell, K. H. Chow, Th. Jestadt, W. Hayes, R. Kato, M. Tamura, H. Sawa, and Y. Kashimura Magnetic Properties of dn-(DMe-DCNQI)2Cu Studied Using μSR Synth. Met., 85, 1747-1748 (1997). Y. Nishio, T. Tega, M. Tamura, K. Kajita, S. Aonuma, H. Sawa, R. Kato, and H. Kobayashi Thermal Study of Antiferromagnetic Ordering in Deuterated (DMe-DCNQI)2Cu Synth. Met., 85, 1739-1740 (1997). M. Nishizawa, D. Shiomi, K. Sato, T. Takui, K. Itoh, H. Sakurai, A. Izuoka, T. Sugawara, H. Sawa, and R. Kato Low Temperature Spin State of a Model Compound for Organic Ferrimagnets as Studied by Single Crystal CW-ESR Spectroscopy Synth. Met., 85, 1727-1728 (1997). Y. Kusaba, M. Tamura, Y. Hosokoshi, M. Kinoshita, H. Sawa, R. Kato, and H. Kobayashi Isolation of Crystals of a Planar Nitronyl Nitroxide Radical: 2-Phenylbenzimidazol-1-ylN,N'-Dioxide (PBIDO) J. Mater. Chem., 7(8), 1377-1382 (1997). F. L. Pratt, P. A. Pattenden, S. J. Blundell, T. Jestadt, K. H. Chow, W. Hayes, R. Kato, M. Tamura, H. Sawa, and S. Aonuma Zero Field μSR and QLCR in the Molecular Metal System (DMe-DCNQI)2Cu Hyperfine Interactions, 104(1-4), 357-362 (1997). H. Ohnuki, K. Kojima, M. Izumi, H. Yamaguchi, H. Oyanagi, and R. Kato Comparative Study on LB Films and Crystals of TTF Derivatives with Long Alkyl Chains: In-Plane Structure Thin Solid Films, 284-285, 492-495 (1996). H. Sawa, You-Liang Liu, S. Aonuma, and R. Kato Novel Pressure-Temperature Phase Diagram of Molecular Conductors Related to the High-Pressure Superconductor, β-Me4N[Pd(dmit)2]2 Mol. Cryst. Liq. Cryst., 285, 131-136 (1996). S. Aonuma, H. Sawa, and R. Kato Anomalous 13C/15N Isotope Effect in the π-d System (DMe-DCNQI)2Cu Studied by Selective Isotope Substitution Mol. Cryst. Liq. Cryst., 285, 163-168 (1996). T. Imakubo, H. Sawa, and R. Kato New Molecular Conductors Containing Magnetic Tetrahedral Anion, (DIETS)2FeX4 [DIETS = Diiodo-ethylenedithiodithiadiselenafulvalene, X = Cl, Br] Mol. Cryst. Liq. Cryst., 285, 27-32 (1996). M. Tamura, N. Someya, Y. Nishio, K. Kajita, Y. Kashimura, S. Aonuma, H. Sawa, and R. Kato Correlation Between the Thermal and Magnetic Properties of (DCNQI)2Cu Mol. Cryst. Liq. Cryst., 285, 151-156 (1996). R. Kato, Y. Kashimura, S. Aonuma, H. Sawa, H. Takahashi, and N. Mori pπ-d Interaction in the (R1,R2-DCNQI)2Cu Mol. Cryst. Liq. Cryst., 285, 143-150 (1996). A. Sekiyama, A. Fujimori, S. Aonuma, H. Sawa, and R. Kato High-Resolution Photoemission and X-Ray Absorption Study of Quasi-One-Dimensional DCNQI-Cu Salt J. Electron Spectroscopy and Related Phenomena, 78, 473-476 (1996). T. Takahashi, T. Yokoya, A. Chainani, A. Tanaka, H. Kumigashira, O. Akaki, and R. Kato High-Resolution Photoemission Study of Deuterated Dimethyldicyanoquinonediimine-Cu Coumpound; (DMe-DCNQI)2Cu J. Electron Spectroscopy and Related Phenomena, 78, 441-444 (1996). R. Kato, You-Liang Liu, S. Aonuma, and H. Sawa Cation Size Effect in Molecular Conductors Related to the High-Pressure Superconductor β-Me4N[Pd(dmit)2]2 (dmit = 2-Thioxo-1,3-Dithiole-4,5-Dithiolate) Solid State Commun., 98(11), 1021-1025 (1996). T. Sekine, K. Tsutsumi, Y. Tanokura, S. Aonuma, and R. Kato Raman Scattering in Organic Conductors (DMe-DCNQI)2Cu Physica B, 219-220, 532-534 (1996). R. Kato, S. Aonuma, and H. Sawa Chemical Control of the Electronic States in the pπ-d System Mol. Cryst. Liq. Cryst., 284, 183-194 (1996). T. Takahashi, T. Yokoya, A. Chainani, H. Kumigashira, O. Akaki, and R. Kato Cooperative Effects of Electron Correlation and Charge Ordering on the Metal-Insulator Transition in Quasi-One-Dimensional Deuterated (DMe-DCNQI)2Cu Phys. Rev. B, 53(4), 1790-1794 (1996). H. Tajima, S. Aonuma, H. Sawa, and R. Kato Infrared Reflectance Spectra of (Me2DCNQI-d7)2Cu J. Phys. Soc. Jpn., 64(7), 2502-2509 (1995). K. Ishida, Y. Kitaoka, H. Masuda, K. Asayama, T. Takahashi, A. Kobayashi, R. Kato, and H. Kobayashi Cu NMR Study in DCNQI-Cu System J. Phys. Soc. Jpn., 64(8), 2970-2979 (1995). T. Imakubo, Y. Okano, H. Sawa, and R. Kato Ethylenedithio(Ethylenedioxo)Diselenadithiafulvalene (TOST) and Ethylenediseleno (Ethylenedioxo)Tetrathiafulvalene (SO): New Unsymmetrical π-Donors containing Three Elements in Group 16 (O, S, and Se) J. C. S. Chem. Commun., 1995(24), 2493-2494. S. Aonuma, H. Sawa, and R. Kato Chemical Pressure Effect by Selective Deuteration in Molecular-Based Conductor, 2,5-Dimethyl-N,N'-Dicyano-p-Benzoquinone Immine-Copper Salt, (DMe-DCNQI)2Cu J. Chem. Soc. Perkin Trans. 2, 1995(7), 1541-1549. T. Imakubo, H. Sawa, and R. Kato Novel Molecular Conductors, (DIETS)4M(CN)4 [M = Ni, Pd, Pd]: Highly Reticulated Donor…Anion Contacts by --I…NC-- Interaction J. C. S. Chem. Commun., 1995(16), 1667-1668. T. Imakubo, H. Sawa, and R. Kato Synthesis and Crystal Structure of the Molecular Metal Based on Iodine-Bonded π-Donor, (IEDT)[Pd(dmit)2] J. C. S. Chem. Commun., 1995(11), 1097-1098. T. Imakubo, H. Sawa, and R. Kato Novel Cation Radical Salts Organic π-Donors Containing Iodine Atom(s): The First Application of Strong Intermolecular --I…X-- (X = CN, Halogen Atom) Interaction to Molecular Conductors Synth. Met., 73, 117-122 (1995). Y. Hosokoshi, M. Tamura, H. Sawa, R. Kato, and M. Kinoshita Two-Dimensional Ferromagnetic Intermolecular Interactions in Crystals of the p-Cyanophenyl Nitronyl Nitroxide Radical J. Mater. Chem., 5(1), 41-46 (1995). M. Inokuchi, H. Tajima, A. Kobayashi, T. Ohta, H. Kuroda, R. Kato, T. Naito, and H. Kobayashi Electrical and Optical Properties of α-(BETS)2I3 and α-(BEDT-STF)2I3 Bull. Chem. Soc. Jpn., 68(2), 547-553 (1995). A. Sekiyama, F. Fujimori, H. Sawa, S. Aonuma, and R. Kato Fermi-Liquid Versus Luttinger-Liquid Behavior and Metal-Insulator Transition in N,N'-dicyanoquinonediimine-Cu Salt Studied by Photoemission Phys. Rev. B, 51(19), 13899-13902 (1995). K. Hiraki, Y. Kobayashi, T. Nakamura, T. Takahashi, S. Aonuma, H. Sawa, R. Kato and H. Kobayashi Magnetic Structure in the Antiferromagnetic State of the Organic Conductor, (DMe-DCNQI[3,3;1]d7)2Cu: 1H-NMR Analysis J. Phys. Soc. Jpn., 64(6), 2203-2211 (1995). R. Kato, You-Liang Liu, H. Sawa, S. Aonuma, A. Ichikawa, H. Takahashi, and N. Mori Structures and Properties of New Molecular Conductors Based on Pd(dmise)2 (dmise = 2-Selenoxo-1,3-Dithiole-4,5-Dithiolate) Solid State Commun., 94(12), 973-977 (1995). Y. Kashimura, H. Sawa, S. Aonuma, R. Kato, H. Takahashi, and N. Mori Anomalous Pressure-Temperature Phase Diagram of the Molecular Conductor, (DI-DCNQI)2Cu (DI-DCNQI = 2,5-diiodo-N,N'-dicyanoquinonediimine) Solid State Commun., 93(8), 675-679 (1995). M. Tamura, Y. Kashimura, H. Sawa, S. Aonuma, R. Kato, and M. Kinoshita Enhanced Magnetic Susceptibility of (DI-DCNQI)2Cu Solid State Commun., 93(7), 585-588 (1995). H. Sawa, M. Tamura, S. Aonuma, R. Kato, and M. Kinoshita Charge Transfer Controlled Phase Transition in a Molecular Conductor, (DMe-DCNQI)2Cu --Doping Effect-- J. Phys. Soc. Jpn., 63(12), 4302-4305 (1994). R. Kato, S. Aonuma, H. Sawa, K. Hiraki, and T. Takahashi Unexpected Isotope Effect in 13C-Substituted (-C�鮮) Molecular Conductor (DMe-DCNQI)2Cu (DMe-DCNQI=2,5-Dimethyl-N,N'-Dicyanoquinonediimine) Synth. Met., 68(2), 195-198 (1995). S. Uji, T. Terashima, H. Aoki, R. Kato, H. Sawa, S. Aonuma, M. Tamura, and M. Kinoshita Fermi Surface and Absence of Additional Mass Enhancement near the Insulating Phase in (DMe-DCNQI)2Cu Solid State Commun., 93(3), 203-207 (1995). S. Uji, T. Terashima, H. Aoki, J. S. Brooks, R. Kato, H. Sawa, S. Aonuma, M. Tamura, and M. Kinoshita Coexistence of One- and Three-Dimensional Fermi Surfaces and Heavy Cyclotron Mass in the Molecular Conductor (DMe-DCNQI)2Cu Phys. Rev. B, 50(21), 15597-15601 (1994). Y. Hosokoshi, M. Tamura, K. Nozawa, S. Suzuki, H. Sawa, R. Kato, and M. Kinoshita Magnetic Interactions in the Crystals of α- an β-Phases of 2-Hydro Nitronyl Nitroxide and Related Compounds Mol. Cryst. Liq. Cryst., 271, 115-122 (1995). M. Tamura, H. Sawa, Y. Kashimura, S. Aonuma, R. Kato, and M. Kinoshita (DCNQI)2Cu: Variety of Magnetism Arising from pπ-d Interactions Mol. Cryst. Liq. Cryst., 271, 13-18 (1995). H. Ohnuki, K. Kitamura, M. Izumi, H. Yamauchi, and R. Kato Preparation of Conducting Single Crystal [EDT-TTF(SC18)2]2I3 Synth. Met., 71, 2077-2078 (1995). Y. Hosokoshi, M. Tamura, K. Nozawa, S. Suzuki, M. Kinoshita, H. Sawa, and R. Kato Magnetic Properties and Crystal Structures of 2-Hydro and 2-Halo Nitronyl Nitroxide Radical Crystals Synth. Met., 71, 1795-1796 (1995). H. Tajima, M. Inokuchi, M. Arifuku, T. Ohta, A. Kobayashi, R. Kato, and H. Kobayashi Coexistence of Superconductivity with CDW (or SDW): Ambient-Pressure Superconductor Based on Ni(dmit)2, α-(EDT-TTF)[Ni(dmit)2] Synth. Met., 70, 1035-1038 (1995). H. Tajima, S. Ikeda, M. Inokuchi, T. Ohta, A. Kobayashi, T. Sasaki, N. Toyota, R. Kato, and H. Kobayashi MagnetoTransport Study of α-Me2Et2N[Ni(dmit)2]2 and Related Materials Synth. Met., 70, 1051-1052 (1995). K. Seya, Y. Kobayashi, T. Nakamura, T. Takahashi, Y. Osako, H. Kobayashi, R. Kato, A. Kobayashi, and H. Iguchi Magnetic Properties of the Insulating State of the Organic Superconductor, β-[(CH3)4N][Pd(dmit)2]2 Synth. Met., 70, 1043-1044 (1995). H. Sawa, Y. Okano, S. Aonuma, and R. Kato Crystal and Electronic Structures of (BPDT-TSeF)-Ni(dmit)2 System: BPDT-TSeF = Bis(Propylenedithio)Tetraselenafulvalene Synth. Met., 70, 1055-1056 (1995). Y. Okano, H. Sawa, S. Aonuma, and R. Kato TMET-STF Salts, a Variety of Crystal and Electronic Structures. (TMET-STF = Trimethylene(Ethylenedithio)-Diselenadithiafulvalene) Synth. Met., 70, 1161-1162 (1995). K. Oshima, T. Takamasu, N.Miura, R. Kato, A. Kobayashi, and H. Kobayashi Field Induced States and Hysteresis Effect in (DMET-TSeF)2AuI2 Synth. Met., 70, 863-864 (1995). K. Oshima, H. Okuno, K. Kato, Y. Maruyama, R. Kato, A. Kobayashi, and H. Kobayashi Superconductivity and Field-Induced States in DMET-TSeF Family Synth. Met., 70, 861-862 (1995). T. Tega, Y. Nishio, K. Kajita, R. Kato, and H. Kobayashi Magnetic Properties of (DMe-DCNQI)2Cu under Uniaxial Stress Synth. Met., 71, 1953-1954 (1995). Y. Nishio, T. Tega, K. Kajita, H. Kobayashi, S. Aonuma, H. Sawa, and R. Kato Giant Peak in the Specific Heat of Selectively Deuterated (DMe-DCNQI)2Cu Synth. Met., 71, 1947-1948 (1995). K. Ishida, Y. Kitaoka, H. Masuda, K. Asayama, T. Takahashi, K. Kanoda, A. Kobayashi, R. Kato, and H. Kobayashi Cu NMR Study of Organic Conductor DCNQI-Cu System Synth. Met., 71, 1915-1916 (1995). M. Tamura, H. Sawa, Y. Kashimura, S. Aonuma, R. Kato, M. Kinoshita, and H. Kobayashi Magnetic Properties of DCNQI-Cu Systems Synth. Met., 70, 1081-1082 (1995). H. Sawa, M. Tamura, S. Aonuma, M. Kinoshita, and R. Kato Charge Transfer and Reentrant Phenomenon in Deuterated (DMe-DCNQI)2Cu Synth. Met., 70, 1085-1086 (1995). S. Aonuma, H. Sawa, and R. Kato Selectively Deuterated Molecular Conductor (DMe-DCNQI)2Cu -Preparation and Chemical Pressure Effect Synth. Met., 70, 1089-1090 (1995). S. Uji, T. Terashima, H. Aoki, J. S. Brooks, R. Kato, H. Sawa, S. Aonuma, M. Tamura, and M. Kinoshita Fermi Surface and Cyclotron Mass in (DMe-DCNQI)2Cu Synth. Met., 70, 1075-1076 (1995). S. Kagoshima, Y. Saito, T. Hasegawa, N. Wada, H. Yano, R. Kato, N. Miura, and H. Kobayashi Magnetic-Field Effects on the Reentrance Transition of Alloy of Pristine and Fully Deuterated (DMe-DCNQI)2Cu Synth. Met., 70, 1065-1068 (1995). K. Hiraki, Y. Kobayashi, T. Nakamura, T. Takahashi, S. Aonuma, H. Sawa, R. Kato, and H. Kobayashi Magnetic Structure in the Antiferromagnetic State of DCNQI-Cu Salts Synth. Met., 70, 1091-1092 (1995). K. Hiraki, K. Takagawa, T. Nakamura, T. Takahashi, S. Aonuma, H. Sawa, and R. Kato Re-Entrant Phenomena of the Organic Conductor, DCNQI-Cu Salts; Observed by 1H-NMR Synth. Met., 70, 1069-1070 (1995). R. Kato, Y. Kashimura, H. Sawa, S. Aonuma, M. Tamura, M. Kinoshita, H. Takahashi, and N. Mori Crystal Structure and Physical Properties of Molecular Metal (DI-DCNQI)2Cu (DI-DCNQI = 2,5-diiodo-N,N'-dicyanoquinonediimine) Synth. Met., 70, 1077-1078 (1995). R. Kato, S. Aonuma, and H. Sawa Selectively Deuterated Molecular Conductor (DMe-DCNQI)2Cu -Phase Diagram and Dimensionality- Synth. Met., 70, 1071-1074 (1995). Y. Yamakita, Y. Furukawa, A. Kobayashi, M. Tasumi, R. Kato, and H. Kobayashi Vibrational Studies on Electronic Structures in metallic and Insulating Phases of the Cu Complexes of Substituted Dicyanoquinonediimines (DCNQI). A Comparison with the Cases of the Li and Ba Complexes J. Chem. Phys., 100(4), 2449-2457 (1994). T. Naito, A. Tateno, T. Udagawa, H. Kobayashi, R. Kato, A. Kobayashi, and T. Nogami Synthesis, Structures and Electrical Properties of the Charge-Transfer Salts of 4,5-Ehylenedithio-4',5'-(2-oxatrimethylenedithio)diselenadithiafulvalene (EOST) with Linear Anions [I3-, IBr2-, ICl2-, I2Br-, AuBr2-, Au(CN)2-] J. Chem. Soc. Faraday Trans., 90(5), 763-771 (1994). M. Tamura, H. Sawa, S. Aonuma, R. Kato, M. Kinoshita, and H. Kobayashi Magnetic Study of the Metal-Insulator Transitions in (DMe-DCNQI-α,α'-d2)2Cu J. Phys. Soc. Jpn., 63(2), 429-432 (1994). M. Tamura, H. Sawa, Y. Kashimura, S. Aonuma, R. Kato, and M. Kinoshita Weak Ferromagnetism in (DBr-DCNQI)2Cu (DBr-DCNQI = 2,5-Dibromo-N,N'-Dicyanoquinonediimine J. Phys. Soc. Jpn., 63(2), 425-428 (1994). T. Nakamuraa, K. Hirakia, Y. Kobayashia, T. Takahashia, S. Aonuma, H. Sawa, R. Kato, and H. Kobayashi Magnetic Structure in Antiferromagnetic States of a Molecular Conductor, (DMe-DCNQI-d7)2Cu Physica B, 194-196, 231-232 (1994). D. Shiomi, M. Tamura, H. A. Katori, T. Goto, A. Hayashi, Y. Ueda, H. Sawa, R. Kato, and M. Kinoshita Magnetic Structure of the 4,4,4',4',5,5,5',5'-Octamethyl-2,2'-m-Phenylenebis(4,5-Dihydroimidazol-1-Oxyl 3-Oxide) BiRadical: Quantum Spin Effect of S= 1 Species Associated with Structural Change J. Mater. Chem., 4(6), 915-920 (1994). Y. Hosokoshi, M. Tamura, M. Kinoshita, H. Sawa, R. Kato, Y. Fujiwara, and Y. Ueda Magnetic Properties and Crystal Structure of the p-Fluorophenyl Nitronyl Nitroxide Radical Crystal: Ferromagnetic Intermolecular Interactions Leading to a Three-Dimensional Network of Ground Triplet Dimeric Molecules J. Mater. Chem., 4(8), 1219-1226 (1994). H. Tajima, S. Ikeda, M. Inokuchi, A. Kobayashi, T. Ohta, T. Sasaki, N. Toyota, R. Kato, H. Kobayashi and H. Kuroda Shubnikov-de-Haas Effect of α-Et2Me2N[Ni(dmit)2]2 Salt Solid State Commun., 88(8), 605-608 (1993). S. Kagoshima, A. Miyazaki, T. Osada, R. Kato, N. Miura, and H. Kobayashi Resistance Enhancement by Magnetic Field in the Regime of the Metal-Insulator-Metal Re-Entrance Transition of the Alloy of Pristine and Fully Deuterated (2,5-Dimethyldicyanoquinonediimine)2Cu Salts Synth. Met., 61(3), 259-266 (1993). H. Kobayashi, A. Miyamoto, R. Kato, F. Sakai, A. Kobayashi, Y. Yamakita, Y. Furukawa, M. Tasumi, and T. Watanabe Mixed Valency of Cu, Electron-Mass Enhancement, and Three-Dimensional Arrangement of Magnetic Sites in the Organic Conductors (R1,R2-N,N'-dicyanoquinonediimine)2Cu (where R1, R2= CH3, CH3O, Cl, Br) Phys. Rev. B, 47(7), 3500-3510 (1993). I. H. Inoue, M. Watanabe, T. Kinoshita, A. Kakizaki, R. Kato, A. Kobayashi, H. Kobayashi, and A. Fujimori Electronic States in the Valence-Fluctuating Organic Conductors (DCNQI)2Cu (DCNQI = N,N'-dicyanoquinonediimine) Studied by Ultraviolet Photoemission Spectroscopy Phys. Rev. B, 47(19), 12917-12920 (1993). H. Tajima, M. Inokuchi, A. Kobayashi, T. Ohta, R. Kato, H. Kobayashi, and H. Kuroda First Ambient-Pressure Superconductor Based on Ni(dmit)2, α-EDT-TTF[Ni(dmit)2] Chem. Lett., 22(7), 1235-1238 (1993). H. Kobayashi, H. Sawa, S. Aonuma, and R. Kato Evidence for Reentrant Structural-Phase Transition in DCNQI-Cu System J. Am. Chem. Soc., 115(17), 7870-7871 (1993). K. Ishida, Y. Kitaoka, H. Masuda, K. Asayama, T. Takahashi, K. Kanoda, A. Kobayashi, R. Kato, and H. Kobayashi Cu NMR Study of the Organic Conductor (DMe-DCNQI)2Cu Physica B, 186-188, 1059-1061 (1993). Y. Okano, H. Sawa, S. Aonuma, and R. Kato Synthesis, Conductivity, and Structure of a Novel Organic Conductor (TMET-STF)2ClO4. Coexistence of One- and Two-Dimensional Donor Columns Chem. Lett., 22(11), 1851-1854 (1993). R. Kato, S. Aonuma, Y. Okano, H. Sawa, M. Tamura, M. Kinoshita, K. Oshima, A. Kobayashi, K. Bun, and H. Kobayashi Metallic and Superconducting Salts Based on an Unsymmetrical π-Donor Dimethyl (Ethylenedithio) Tetraselenafulvalene(DMET-TSeF) Synth. Met., 61(3), 199-206 (1993). H. Sawa, M. Tamura, S. Aonuma, R. Kato, M. Kinoshita, and H. Kobayashi Novel Electronic States of Partially Deuterated (DMe-DCNQI)2Cu J. Phys. Soc. Jpn., 62(7), 2224-2228 (1993). S. Aonuma, H. Sawa, R. Kato, and H. Kobayashi Giant Metal-Insulator-Metal Transition Induced by Selective Deuteration of the Molecular Conductor, (DMe-DCNQI)2Cu Chem. Lett., 22(3), 513-516 (1993). M. Tamura, H. Sawa, S. Aonuma, R. Kato, M. Kinoshita, and H. Kobayashi Weak Ferromagnetism and Magnetic Anisotropy in Cu Salt of Fully Deuterated DMe-DCNQI, (DMe-DCNQI-d8)2Cu J. Phys. Soc. Jpn., 62(5), 1470-1473 (1993). S. Aonuma, H. Sawa, Y. Okano, R. Kato, and H. Kobayashi Synthesis of DMe-DCNQI-d7 and Deuterium-Induced Metal-Insulator Transition of (DMe-DCNQI-d7)2Cu Synth. Met., 58(1), 29-38 (1993). R. Kato, H. Sawa, S. Aonuma, M. Tamura, M. Kinoshita, and H. Kobayashi Preparation and Physical Properties of an Alloyed (DMe-DCNQI)2Cu with Fully Deuterated DMe-DCNQI Solid State Commun., 85(10), 831-835 (1993). K. Oshima, T. Doi, H. Maruyama, H. Maeda, H. Yamazaki, R. Kato, A. Kobayashi, T. Naito, and H. Kobayashi XANES and EXAFS Study in (R1, R2-DCNQI)2Cu Jpn. J. Appl. Phys. Suppl., 32-2, 824-826 (1993). D. Shiomi, M. Tamura, H. Sawa, R. Kato, and M. Kinoshita Magnetic Properties of an Organic Biradical, m-BNN: m-Phenylene bis(α-Nitronyl Nitroxide) J. Phys. Soc. Jpn., 62(1), 289-300 (1993). M. Tamura, D. Shiomi, Y. Hosokoshi, N. Iwasawa, K. Nozawa, M. Kinoshita, H. Sawa, and R. Kato Magnetic Properties of Phenyl Nitronil Nitroxides Mol. Cryst. Liq. Cryst., 232, 45-52 (1993). R. Kato, H. Sawa, S. Aonuma, Y. Okano, S. Kagoshima, A. Kobayashi, and H. Kobayashi Metallic Behavior Induced by Li-Doping in DCNQI-Cu System Synth. Met., 56(1), 1864-1869 (1993). H. Tajima, S. Ikeda, A. Kobayashi, H. Kuroda, R. Kato, and H. Kobayashi Magnetoresistance of α-Et2Me2N[Ni(dmit)2]2 Salt Synth. Met., 56(1), 2530-2535 (1993). D. Shiomi, M. Tamura, H. Sawa, R. Kato, and M. Kinoshita Novel Magnetic Interactions in Organic Polyradical Crystals Based on Nitronyl Nitroxide Synth. Met., 56(2-3), 3279-3284 (1993). K. Nozawa, Y. Hosokoshi, D. Shiomi, M. Tamura, N. Iwasawa, H. Sawa, R. Kato, and M. Kinoshita Magnetic Properties and Crystal Structures of Some Nitronyl Nitroxide Derivatives Synth. Met., 56(2-3), 3323-3326 (1993). A. Kobayashi, R. Kato, A. Miyamoto, T. Naito, H. Kobayashi, R. A. Clark, and A. E. Underhill New Molecular Superconductor β-[(CH3)4N][Pd(dmit)2]2 Synth. Met., 56(2-3), 2927-2932 (1993). M. Inokuchi, H. Tajima, A. Kobayashi, H. Kuroda, R. Kato, T. Naito, and H. Kobayashi The Electrical and Optical Properties of α-BETS2 and α-(BEDT-STF)2I3 Synth. Met., 56(1), 2495-2500 (1993). T. Naito, K. Bun, A. Miyamoto, H. Kobayashi, H. Sawa, R. Kato, and A. Kobayashi Electrical and Structural Properties of κ-Type Organic Conductors Synth. Met., 56(1), 2234-2240 (1993). T. Mishima, K. Kajita, O. Kanke, Y. Nishio, H. Kobayashi, A. Kobayashi, R. Kato, and M. Kobayashi The Metal-Insulator Transition in the Organic Conductor α-(BEDT-TTF)2I3--Viewed by Microwave Synth. Met., 56(1), 2262-2267 (1993). H. Fujii, K. Kajita, M. Kawada, Y. Nishio, H. Kobayashi, A. Kobayashi, and R. Kato Sudden Disappearance of the Superconductivity of κ-(BEDT-TTF)2Cu(NCS)2 under High Pressure Synth. Met., 56(2-3), 2939-2945 (1993). A. Kobayashi, R. Kato, T. Naito, and H. Kobayashi 2-Dimensional Nature of BEDT-TSeF Compounds Synth. Met., 56(1), 2078-2083 (1993). R. Kato, S. Aonuma, Y. Okano, H. Sawa, A. Kobayashi, and H. Kobayashi Multivarious Faces of Organic Metals Based on Se-Substituted BEDT-TTF Family Synth. Met., 56(1), 2084-2089 (1993). K. Oshima, K. Kato, Y. Maruyama, R. Kato, A. Kobayashi, and H. Kobayashi The Field-Induced Transitions in a Novel Organic System, (DMET-TSeF)2AuI2 Synth. Met., 56(2-3), 2780-2784 (1993). K. Oshima, H. Yamazaki, K. Kato, Y. Maruyama, R. Kato, A. Kobayashi, and H. Kobayashi De-Haas van Alphen Effect and the Fermi Surface in κ-(BEDT-TTF)2I3 Synth. Met., 56(1), 2334-2338 (1993). T. Ojiro, K. Kajita, Y. Nishio, H. Kobayashi, A. Kobayashi, R. Kato, and Y. Iye An Anomalous Magnetoresistance in α-(BEDT-TTF)2I3 under High Pressure: a Possible New Phase Physica B, 184, 494-497 (1993). T. Ojiro, K. Kajita, Y. Nishio, H. Kobayashi, A. Kobayashi, R. Kato, and Y. Iye A New Magneto-Pressure Phase in α-(BEDT-TTF)2I3 Synth. Met., 56(1), 2268-2273 (1993). K. Oshima, T. Doi, H. Maruyama, H. Maeda, H. Yamazaki, R. Kato, A. Kobayashi, T. Naito, and H. Kobayashi XANES Study and Valence States in (R1,R2-DCNQI)2Cu Synth. Met., 56(1), 2525-2529 (1993). S. Kagoshima, A. Miyazaki, T. Osada, N. Wada, H. Yano, T. Takahashi, K. Kanoda, H. Kobayashi, A. Kobayashi, and R. Kato Charge and Spin States of DCNQI-Cu Salts Synth. Met., 56(1), 1832-1839 (1993). H. Kobayashi, A. Miyamoto, T. Naito, R. Kato, and A. Kobayashi On the Metal Instability of DCNQI-Cu System--Possibility of Molecular Heavy Electron System-- Synth. Met., 56(1), 1852-1857 (1993). T. Takahashi, K. Kanoda, T. Tamura, K. Hiraki, K. Ikeda, R. Kato, H. Kobayashi, and A. Kobayashi Magnetism of DCNQI-Cu Salts Synth. Met., 56(1), 2281-2288 (1993). H. Tajima, S. Ikeda, A. Kobayashi, H. Kuroda, R. Kato, and H. Kobayashi Principal Axis Rotation of Magnetoresistance in α-EDT-TTF[Ni(dmit)2] Salt Solid State Commun., 86(1), 7-10 (1993). H. Tajima, S. Ikeda, A. Kobayashi, H. Kuroda, R. Kato, and H. Kobayashi Principal Axis Rotation of Magnetoresistance in α-EDT-TTF[Ni(dmit)2] Salt Synth. Met., 56(1), 2323-2328 (1993). D. Shiomi, H. A. Katori, T. Goto, H. Sawa, R. Kato, M. Tamura, and M. Kinoshita Magnetic Energy Gap in the Crystal of an Organic Biradical, m-BNN: m-Phenylene Bis(α-Nitronyl Nitroxide) Mol. Cryst. Liq. Cryst., 232, 109-116 (1993). H. Tajima, S. Ikeda, A. Kobayashi, H. Kuroda, R. Kato, and H. Kobayashi Magnetoresistance of α-Et2Me2N[Ni(dmit)2]2 Solid State Commun., 82, 157-160 (1992). K. Kajita, T. Ojiro, H. Fujii, Y. Nishio, H. Kobayashi, A. Kobayashi, and R. Kato MagnetoTransport Phenomena of α-Type (BEDT-TTF)2I3 under High Pressure J. Phys. Soc. Jpn., 61(1), 23-26 (1992). T. Naito, A. Miyamoto, H. Kobayashi, R. Kato, and A. Kobayashi Superconducting Transition Temperature of the Organic Alloy System. κ-[(BEDT-TTF)1-x(BEDT-STF)x]2Cu[N(CN)2]Br Chem. Lett., 21(1), 119-122 (1992). H. Kobayashi, K. Bun, T. Naito, R. Kato, and A. Kobayashi New Molecular Superconductor, [Me2Et2N][Pd(dmit)2]2 Chem. Lett., 21(10), 1909-1912 (1992). A. Miyamoto, H. Kobayashi, R. Kato, A. Kobayashi, Y. Nishio, K. Kajita, and W. Sasaki Metal Instability of (DMe-DCNQI)2Cu Induced by Uniaxial Stress and Enhancement of Electron Mass Chem. Lett., 21(1), 115-118 (1992). I. H. Inoue, A. Kakizaki, H. Namatame, A. Fujimori, A. Kobayashi, R. Kato, and H. Kobayashi Copper Valence Fluctuation in the Organic Conductor (Dimethyl-N,N'- Dicyanoquinonediimine )2Cu Studied by X-Ray Photoemission Spectroscopy Phys. Rev. B, 45, 5828-5833 (1992). Y. Nishio, K. Kajita, W. Sasaki, R. Kato, A. Kobayashi, and H. Kobayashi Thermal and Magnetic Properties in Organic Metals (DMe-DCNQI)2Cu, (DMeO-DCNQI)2Cu and (DMe1-xMeBrx-DCNQI)2Cu: Enhancement of Density of States Solid State Commun., 81, 473-476 (1992). S. Aonuma, Y. Okano, H. Sawa, R. Kato, and H. Kobayashi Stable Molecular Metals Based on a Novel Unsymmetrical Diselenadithiafulvalene J. C. S. Chem. Commun., 1992, 1193-1195. H. Kobayashi, K. Bun, A. Miyamoto, T. Naito, R. Kato, A. Kobayashi and J. M. Williams Superconducting Transition of a Grease-Coated Crystal of κ-(BEDT-TTF)2[N(CN)2]Cl Chem. Lett., 20(11), 1997-2000 (1991). T. Naito, A. Miyamoto, H. Kobayashi, R. Kato, and A. Kobayashi Structure and Electrical Properties of θ- and κ-Type BEDT-TSeF Salts with Bromomercurate Anions Chem. Lett., 20(11), 1945-1948 (1991). R. Kato, A. Kobayashi, and H. Kobayashi Structural and Physical Properties of κ and θ-(BEDT-TSeF)2TaF6. Molecular Design Aimed Toward the Two-Dimensional Metal Chem. Lett., 20(6), 1045-1048 (1991). M. Tamura, H. Tajima, K. Yakushi, H. Kuroda, A. Kobayashi, R. Kato, and H. Kobayashi Reflectance Spectra of κ-(BEDT-TTF)2I3: Electronic Structure of Dimeric BEDT-TTF Salts J. Phys. Soc. Jpn., 60, 3861-3873 (1991). H. Tajima, T. Naito, M. Tamura, A. Kobayashi, H. Kuroda, R. Kato, H. Kobayashi, R. A. Clark, and A. E. Underhill Energy Level Inversion in Strongly Dimerized [Pd(dmit)2] Salts Solid State Commun., 79, 337-341 (1991). S. Kagoshima, N. Sugimoto, T. Osada, A. Kobayashi, R. Kato, and H. Kobayashi Magnetic and Structural Properties of Mixed-Valence Molecular Conductors (DMe-DCNQI)2Cu and (DMeO-DCNQI)2Cu J. Phys. Soc. Jpn., 60, 4222-4229 (1991). H. Kobayashi, A. Miyamoto, H. Moriyama, R. Kato, and A. Kobayashi Suppression of the Metal Instability and Continuous Change of the Carrier Density in (MeBr-DCNQI)2Cu1-xLix Chem. Lett., 20(5), 863-866 (1991). A. Kobayashi, H. Kobayashi, A. Miyamoto, R. Kato, R. A. Clark, and A. E. Underhill New Molecular Superconductor, β-[(CH3)4N][Pd(dmit)2]2 Chem. Lett., 20(12), 2163-2166 (1991). Y. Nishio, K. Kajita, R. Kato, A. Kobayashi, H. Kobayashi, and W. Sasaki Thermal and Magnetic Properties of Organic Metal (DMe1-x-MeBrx-DCNQI)2Cu Physica B, 173, 300-302 (1991). H. Kobayashi, A. Miyamoto, H. Moriyama, Y. Nishio, K. Kajita, W. Sasaki, F. Sakai, R. Kato, and A. Kobayashi Instability of Metallic State of DCNQI-Cu System Physica C, 185-189, 2695-2696 (1991). I. H. Inoue, A. Kakizaki, A. Kobayashi, R. Kato, H. Kobayashi, H. Namatame, and A. Fujimori Electronic Structure of the Organic Conductor (DMeDCNQI)2Cu Studied by Photoemission Spectroscopy Physica C, 185-189, 2691-2692 (1991). K. Kanoda, T. Tamura, T. Ohyama, T. Takahashi, R. Kato, H. Kobayashi, and A. Kobayashi 1H-NMR Relaxation Rate in (DMeDCNQI)2Cu and (DMeODCNQI)2Cu Synth. Met., 41-43, 1843-1846 (1991). K. Kajita, Y. Nishio, Y. Takahashi, W. Sasaki, R. Kato, H. Kobayashi, A. Kobayashi, and Y. Iye Anomalous Magnetoresistance in Organic Conductors and the Dimensionality of the Electron System Synth. Met., 41-43, 2075-2078 (1991). N. A.Fortune, K. Murata, M. Ishibashi, A. Kobayashi, R. Kato, and H. Kobayashi Low Temperature Electronic States in (DMeO-DCNQI)2Cu under at Low Temperature Synth. Met., 41-43, 2487-2490 (1991). S. Kagoshima, N. Sugimoto, R. Kato, H. Kobayashi, and A. Kobayashi Electronic and Magnetic Properties of (DMeDCNQI)2Cu: Possible Roles of the Bond Angle of Cu Ions Synth. Met., 41-43, 1835-1838 (1991). H. Tajima, T. Naito, M. Tamura, A. Takahashi, S. Toyoda, A. Kobayashi, H. Kuroda, R. Kato, H. Kobayashi, R. A. Clark, and A. E. Underhill Optical Study on [M(dmit)2] Salts Synth. Met., 41-43, 2417-2421 (1991). M. Tamura, R. Masuda, T. Naito, H. Tajima, H. Kuroda, A. Kobayashi, K. Yakushi, R. Kato, H. Kobayashi, M. Tokumoto, N. Kinoshita, and H. Anzai Reflectance Spectra of Some Two-Dimensional Organic Metals Based on BEDT-TTF and [Ni(dmit)2] Synth. Met., 41-43, 2499-2502 (1991). H. Kobayashi, R. Kato, and A. Kobayashi Multi-Dimensional Molecular Metals with π-Acceptor M(dmit)2 and Analogous Molecules Synth. Met., 41-43, 2495-2498 (1991). R. Kato, H. Kobayashi, and A. Kobayashi Synthesis and Properties of Bis(ethylenedithio)tetraselenafulvalene (BEDT-TSeF) Compounds Synth. Met., 41-43, 2093-2096 (1991). A. Kobayashi, R. Kato, and H. Kobayashi Molecular Metals with pπ-d Mixing Bands -- A New Extension of Molecular Conducting Systems Synth. Met., 41-43, 1769-1774 (1991). A. Kobayashi, R. Kato, H. Kobayashi Crystal Structures and Electrical Conductivities of EDT-TTF Salts with TaF6-, AsF6-, PF6-, ReO4-, ClO4-, BF4-, Au(CN)2-, and Ni(dmit)2n- Proc. 1st ISSP Symposium on the Physics and Chemistry of Organic Superconductors, G. Saito, S. Kagoshima, Eds. Springer-Verlag: Heidelberg, 1990, 302-305. K. Kajita, Y. Nishio, T. Takahashi, W. Sasaki, R. Kato, H. Kobayashi, A. Kobayashi, and Y. Iye Anomalous Magneto-oscillation in θ-Type Crystals of (BEDT-TTF)2I3 Proc. 1st ISSP Symposium on the Physics and Chemistry of Organic Superconductors, G. Saito, S. Kagoshima, Eds. Springer-Verlag: Heidelberg, 1990, 212-215. H. Tajima, G. Ojima, T. Ida, H. Kuroda, A. Kobayashi, R. Kato, H. Kobayashi, A. Ugawa, and K. Yakushi Reflectance Spectra of DCNQI Salts Proc. 1st ISSP Symposium on the Physics and Chemistry of Organic Superconductors, G. Saito, S. Kagoshima, Eds. Springer-Verlag: Heidelberg, 1990, 49-53. H. Kobayashi, A. Miyamoto, R. Kato, Y. Nishio, K. Kajita, W. Sasaki, and A. Kobayashi Anomalous Temperature Dependence of the Resistivity of (DMeO-DCNQI)2Cu at High Pressure Proc. 1st ISSP Symposium on the Physics and Chemistry of Organic Superconductors, G. Saito, S. Kagoshima, Eds. Springer-Verlag: Heidelberg, 1990, 45-48. R. Kato, H. Kobayashi, and A. Kobayashi The Organic π-Electron Metal System Interacting with Mixed-Valence Copper Ions (R1,R2-DCNQI)2Cu (DCNQI=N,N'-dicyanoquinonediimine; R1, R2 = CH3, CH3O, Cl, Br) Proc. 1st ISSP Symposium on the Physics and Chemistry of Organic Superconductors, G. Saito, S. Kagoshima, Eds. Springer-Verlag: Heidelberg, 1990, 36-40. H. Tajima, M. Tamura, T. Naito, A. Kobayashi, H. Kuroda, R. Kato, H. Kobayashi, R. A. Clark, and A. E. Underhill Reflectance Spectra of [M(dmit)2] Salts Mol. Cryst. Liq. Cryst., 181, 233-242 (1990). K. Yakushi, A. Ugawa, G. Ojima, T. Ida, H. Tajima, H. Kuroda, A. Kobayashi, R. Kato, and H. Kobayashi Polarized Reflectance Spectra of DCNQI Salts Mol. Cryst. Liq. Cryst., 181, 217-231 (1990). H. Nakano, K. Miyawaki, T. Nogami, Y. Shirota, S. Harada, N. Kasai, A. Kobayashi, R. Kato, and H. Kobayashi The Crystal and Band Electronic Structures of Bis[4,5-Ethylenedithio-4',5'-(Vinylenedithio) Tetrathiafulvalenium] Hexafluorophosphate, and Hexafluoroarsenate [EVT2PF6 and EVT2AsF6] Bull. Chem. Soc. Jpn., 63, 2281-2287 (1990). A. Kobayashi, H. Kim, Y. Sasaki, K. Murata, R. Kato, and H. Kobayashi Crystal and Electronic Structures of New Molecular Conductors, Tetramethylammonium and Tetramethylarsonium Complexes of Pd(dmit)2 J. Chem. Soc. Faraday Trans., 86, 361-369 (1990). H. Kobayashi, R. Kato, A. Kobayashi, Y. Nishio, K. Kajita, and W. Sasaki Magnetic Susceptibilities of (DMe-DCNQI)2Cu and (DBr-DCNQI)2Cu J. Phys. Chem. Solids, 51, 533-537 (1990). K. Kajita, Y. Nishio, T. Takahashi, W. Sasaki, R. Kato, H. Kobayashi, A. Kobayashi, and Y. Iye A New Type Oscillatory Phenomenon in the Magnetotransport of θ-(BEDT-TTF)2I3 Solid State Commun., 70, 1189-1193 (1989). K. Kajita, Y. Nishio, T. Takahasi, W. Sasaki, R. Kato, H. Kobayashi, and A. Kobayashi Anomalous MagnetoTransport Phenomena in θ-(BEDT-TTF)2I3 Solid State Commun., 70, 1181-1188 (1989). R. Kato, H. Kobayashi, and A. Kobayashi Dimensionality Examination of Cation Radical Salts Based on EDT-TTF(EDT-TTF = Etylenedithiotetrathiafulvalene) Chem. Lett., 18(5), 781-784 (1989). R. Kato, H. Kobayashi, A. Kobayashi, T. Naito, M. Tamura, H. Tajima, and H. Kuroda New Molecular Conductors, α- and β-(EDT-TTF)[Ni(dmit)2]. Metal with Anomalous Resistivity Maximum vs. SemiConductor with Mixed Stacks Chem. Lett., 18(10), 1839-1842 (1989). A. Kobayashi, R. Kato, and H. Kobayashi Reentrant Behavior of the Temperature Dependence of Resistivity of DCNQI-Cu Alloy System, [(DMe)1-x(MeBr)x-DCNQI]2Cu Chem. Lett., 18(10), 1843-1846 (1989). H. Kobayashi, A. Miyamoto, R. Kato, A. Kobayashi, Y. Nishio, K. Kajita, and W. Sasaki Reentrance Behavior in the Pressure-Temperature Dependence of the Resistivity of (DMeO-DCNQI)2Cu Solid State Commun., 72, 1-5 (1989). R. Kato, H. Kobayashi, and A. Kobayashi Crystal and Electronic Structures of Conductive Anion-Radical Salts,(2,5-R1,R2-DCNQI)2Cu (DCNQI=N,N'-Dicyanoquinonediimine; R1, R2= CH3, CH3O, Cl, Br) J. Am. Chem. Soc., 111, 5224-5232 (1989). R. Kato, H. Kobayashi, A. Kobayashi, T. Mori, and H. Inokuchi Preparation and Structure of Highly Conductive Anion Radical Salts, M(2,5-R1,R2-DCNQI)2 (DCNQI=N,N'-Dicyanoquinonediimine, R1, R2 = Me, MeO, Halogen; M=Ag, Li, Na, K, NH4) Synth. Met., 27, B263-B268 (1988). A. Kobayashi, T. Mori, H. Inokuchi, R. Kato, and H. Kobayashi The Organic π-Electron Metal System with Interaction through Mixed-Valence Metal Cation: Electronic and Structural Properties of Highly Conducting Anion Radical Salts (2,5-R1,R2-DCNQI)2Cu (DCNQI=N,N'-Dicyanoquinonediimine;R1, R2= CH3, CH3O, Cl, Br) Synth. Met., 27, B275-B280 (1988). T. Mori, H. Inokuchi, A. Kobayashi, R. Kato, and H. Kobayashi Coexistence of a Magnetic Order and Metallic Conduction in an Organic System, (DMDCNQI)2Cu Synth. Met., 27, B237-B242 (1988). T. Mori, S. Bandow, H. Inokuchi, A. Kobayashi, R. Kato, and H. Kobayashi Anomalous Magnetic Properties of (DMDCNQI)2Cu Solid State Commun., 67, 565-568 (1988). T. Mori, H. Inokuchi, A. Kobayashi, R. Kato, and H. Kobayashi Electrical Conductivity, Thermoelectric Power, and ESR of a New Family of Molecular Conductors, (DCNQI)2X Phys. Rev. B, 38, 5913-5923 (1988). H. Kobayashi, R. Kato, A. Kobayashi, T. Mori, and H. Inokuchi The First Molecular Metals with Ordered Spin Structures, R1,R2-DCNQI2Cu(R1, R2 = CH3, CH3O, Cl, Br) --Jahn-Teller Distortion, CDW Instability and Antiferromagnetic Spin Ordering-- Solid State Commun., 65, 1351-1354 (1988). A. Kobayashi, H. Kim, Y. Sasaki, S. Moriyama, Y. Nishio, K. Kajita, W. Sasaki, R. Kato, and H. Kobayashi The First Molecular Superconductor Based on the π-Acceptor Molecules and Closed-Shell Cation, [(CH3)4N][Ni(dmit)2]2 Synth. Met., 27, B339-B346 (1988). K. Kajita, Y. Nishio, S. Moriyama, H. Kim, Y. Sasaki, A. Kobayashi, R. Kato, H. Kobayashi, and W. Sasaki Transport Properties of [(CH3)4N][Ni(dmit)2]2: A New Organic Superconductor Solid State Commun., 65, 361-363 (1988). H. Kim, A. Kobayashi, Y. Sasaki, R. Kato, H. Kobayashi, T. Nakamura, T. Nogami, and Y. Shirota Crystal and Molecular Structure of Tetrabutylammonium Bis(1,4-Dithiin-2,3-Dithiolato)nickelate(III), (Bu4N)[Ni(ddt)2] Bull. Chem. Soc. Jpn., 61, 2559-2562 (1988). H. Kim, A. Kobayashi, Y. Sasaki, R. Kato, and H. Kobayashi Crystal Structure and Molecular Structure of Neutral Nickel Bis(5,6-Dihydro-1,4-Dithiin-2,3-Dithiolate), Ni(dddt)2 Bull. Chem. Soc. Jpn., 61, 579-581 (1988). R. Kato, H. Kobayashi, H. Kim, A. Kobayashi, Y. Sasaki, T. Mori, and H. Inokuchi Structural an Electronic Properties of a New Two-Dimensional Molecular Metal, Et2Me2N[Ni(dmit)2]2 Synth. Met., 27, B359-B363 (1988). R. Kato, H. Kobayashi, H. Kim, A. Kobayashi, Y. Sasaki, T. Mori, and H. Inokuchi Crystal and Electronic Structures of a New Two-Dimensional Molecular Metal, α-Et2Me2N[Ni(dmit)2]2 Chem. Lett., 17(5), 865-868 (1988). M. Yoshitake, K. Yakushi, H. Kuroda, A. Kobayashi, R. Kato, and H. Kobayashi Reflectance Spectra of the 1:1 Salts of Bis(Methylenedithio)Tetrathiafulvalene (BMDT-TTF): Estimation of the On-Site Coulomb Energy Bull. Chem. Soc. Jpn., 61, 1115-1119 (1988). H. Kobayashi, R. Kato, A. Kobayashi, T. Mori, H. Inokuchi, Y. Nishio, K. Kajita, and W. Sasaki Molecular Design and Solid State Properties of New Superconductors and Molecular Metals with Ordered Spin Structures Synth. Met., 27, A289-A297 (1988). H. Kuroda, K. Yakushi, H. Tajima, A. Ugawa, M. Tamura, R. Kato, H. Kobayashi, and G. Saito Reflectance Spectra of β-, θ-, and κ-(BEDT-TTF)2I3, and β'- and β"-(BEDT-TTF)2ICl2: Relation Between the Interband Transition and the Dimeric Structure Synth. Met., 27, A491-A498 (1988). H. Kobayashi, R. Kato, A. Kobayashi, S. Moriyama, Y. Nishio, K. Kajita, and W. Sasaki Layered Molecular Superconductors θ- and κ-(BEDT-TTF)2I3 Synth. Met., 27, A283-A288 (1988). H. Kobayashi, R. Kato, and A. Kobayashi Molecular Designing Analyses on Molecular Metals and Superconductors Research Reports on New Superconducting Materials and High Temperature Oxide Superconductors, 1988, 181-186. M. Tamura, K. Yakushi, H. Kuroda, A. Kobayashi, R. Kato, and H. Kobayashi Temperature Dependence of the Polarized Reflectance Spectra of the θ-Type of Bis-(Ethylene-dithio)Tetrathiafulvalenium Triiodide θ-(BEDT-TTF)2I3 : Estimation of Band Parameters J. Phys. Soc. Jpn., 57, 3239-3247 (1988). T. Mori, K. Imaeda, R. Kato, A. Kobayashi, H. Kobayashi, and H. Inokuchi Pressure-Induced One-Dimensional Instability in (DMDCNQI)2Cu J. Phys. Soc. Jpn., 56, 3429-3431 (1987). A. Kobayashi, R. Kato, H. Kobayashi, T. Mori, and H. Inokuchi The Organic π-Electron Metal System with Interaction through Mixed-Valence Metal Cation: Electronic and Structural Properties of Radical Salts of Dicyano-Quinonediinine, (DMe-DCNQI)2Cu and (MeCl-DCNQI)2Cu Solid State Commun., 64, 45-51 (1987). R. Kato, H. Kobayashi, A. Kobayashi, T. Mori, and H. Inokuchi Crystal Structures of M(DCNQIs)2 (DCNQIs=N,N'-Dicyanoquinonediimines; M=Li, Na, K, NH4, Cu, Ag) Chem. Lett., 16(8), 1579-1582 (1987). A. Kobayashi, H. Kim, Y. Sasaki, R. Kato, H. Kobayashi, S. Moriyama, Y. Nishio, K. Kajita, and W. Sasaki The First Molecular Superconductor Based on π-Acceptor Molecules and Closed-Shell Cations, [(CH3)4N][Ni(dmit)2]2, Low-Temperature X-Ray Studies and Superconducting Transition Chem. Lett., 16(9), 1819-1822 (1987). H. Kim, A. Kobayashi, Y. Sasaki, R. Kato, and H. Kobayashi New Radical Anion Complex, [(CH3)4N][Ni(dmit)2]2 with Metal-Semimetal Phase Transition Chem. Lett., 16(9), 1799-1802. (1987) A. Kobayashi, H. Kim, Y. Sasaki, R. Kato, and H. Kobayashi Molecular Designing Analysis of a New Superconducting Metal Dithiolene Complex Solid State Commun., 62, 57-64 (1987). A. Kobayashi, R. Kato, and H. Kobayashi New Aspects of Molecular Conductors of Metal Complexes with Multi-Sulfur π-Donor and π-Acceptor Molecules Synth. Met., 19, 635-640 (1987). H. Kobayashi, R. Kato, and A. Kobayashi Crystal and Electronic Structures of Molecular Conductors Based on the Multi-Sulfur π-Donor Molecules Synth. Met., 19, 623-628 (1987). R. Kato, H. Kobayashi, A. Kobayashi, T. Mori, and H. Inokuchi Crystal and Electronic Structures of (BEDSe-TSeF)AuBr2 Chem. Lett., 16(2), 277-280 (1987). R. Kato, H. Kobayashi, and A. Kobayashi Crystal and Electronic Structures of Cation Radical Salts Based on BEDSe-TSeF, Se-Analogue of BEDT-TTF Synth. Met., 19, 629-634 (1987). R. Kato, H. Kobayashi, and A. Kobayashi The θ-Type Cation Radical Salts of BMDT-TTF, Bis(Methylenedithio)Tetrathiafulvalene Chem. Lett., 16(4), 567-570 (1987). K. Kajita, Y. Nishio, S. Moriyama, W. Sasaki, R. Kato, H. Kobayashi, and A. Kobayashi New Organic Superconductors κ- and θ-(BEDT-TTF)2I3: Transport Property Solid State Commun., 64, 1279-1284 (1987). K. Kajita, Y. Nishio, S. Moriyama, R. Kato, A. Kobayashi, H. Kobayashi, and W. Sasaki Electronic Properties of New Organic Superconductors θ- and κ-(BEDT-TTF)2I3 Jpn. J. Appl. Phys. Supplement, 26-3, 1363-1364 (1987). A. Kobayashi, R. Kato, H. Kobayashi, S. Moriyama, Y. Nishio, K. Kajita, and W. Sasaki Crystal and Electronic Structures of a New Molecular Superconductor, κ-(BEDT-TTF)2I3 Chem. Lett., 16(3), 459-462 (1987). R. Kato, H. Kobayashi, A. Kobayashi, S. Moriyama, Y. Nishio, K. Kajita, and W. Sasaki A New Ambient-Pressure Superconductor, κ-(BEDT-TTF)2I3 Chem. Lett., 16(3), 507-510 (1987). M. Tokumoto, H. Anzai, T. Ishiguro, G. Saito, H. Kobayashi, R. Kato, and A. Kobayashi Electrical and Magnetic Properties of Organic Conductors, (BEDT-TTF)2X Synth. Met., 19, 215-220 (1987). H. Anzai, M. Tokumoto, T. Ishiguro, G. Saito, H. Kobayashi, R. Kato, and A. Kobayashi Crystal Growth of BEDT-TTF Trihalides Synth. Met., 19, 611-616 (1987). R. Kato, H. Kobayashi, A. Kobayashi, and Y. Sasaki New Multi-Sulfur 1,2-Dithiolene Complexes. Preparation, Structure, and Electrochemical Properties Bull. Chem. Soc. Jpn., 59, 627-630 (1986). A. Kobayashi, Y. Sasaki, R. Kato, and H. Kobayashi The Crystal and Electronic Structures of a New Molecular Conductor, (HMTTeF)2[Pt(dmit)2] Chem. Lett., 15(3), 387-390 (1986). A. Kobayashi, R. Kato, H. Kobayashi, T. Mori, and H. Inokuchi A New Mechanism of the Structural Phase Transition Accompanied by the Change of the Electronic Structure of α-(BPDT-TTF)[Ni(dmit)2]2 Physica B, 143, 562-564 (1986). H. Kobayashi, R. Kato, and A. Kobayashi Origin of the Multi-Dimensional Properties and the Charge Distribution Rule of the Molecular Conductors Based on π-Donor and π-Acceptor Molecules Israel J. Chem., 27, 301-307 (1986). R. Kato, H. Kobayashi, and A. Kobayashi Cation Radical Salts Based on Te-Containing Tetrachalcogenotetracenes Physica B, 143, 304-306 (1986). Z. S. Li, S. Matsuzaki, R. Kato, H. Kobayashi, A. Kobayashi, and M. Sano A Monoclinic Modification of an Ion Radical Salt, (HMTTeF)4(PF6)2, and Its Solid State Properties Chem. Lett., 15(7), 1105-1108 (1986). R. Kato, H. Kobayashi, and A. Kobayashi Crystal and Electronic Structures of (BEDSe-TSeF)2AuBr2 Chem. Lett., 15(5), 785-788 (1986). R. Kato, H. Kobayashi, and A. Kobayashi Crystal Structure and Physical Properties of (BMDT-TTF)SbF6 Chem. Lett., 15(12), 2013-2016 (1986). H. Kobayashi, R. Kato, A. Kobayashi, Y. Nishio, K. Kajita, and W. Sasaki An Approach to the Control of Dimensionality of Molecular Conductors. Structure and Electrical Properties of (BMDT-TTF)(TCNQ) Physica B, 143, 512-514 (1986). H. Kobayashi, R. Kato, A. Kobayashi, T. Mori, and H. Inokuchi Thermal Expansion and Stepwise Superconducting Transition of β-(BEDT-TTF)2(I3)1-x (AuI2)x Solid State Commun., 60, 473-480 (1986). A. Kobayashi, R. Kato, H. Kobayashi, S. Moriyama, Y. Nishio, K. Kajita, and W. Sasaki Anion Arrangement in a New Molecular Superconductor, θ-(BEDT-TTF)2 (I3)1-x(AuI2)x (x<0.02) Chem. Lett., 15(12), 2017-2020 (1986). R. Kato, H. Kobayashi, A. Kobayashi, Y. Nishio, K. Kajita, and W. Sasaki "Partially" Superconducting Behavior of θ-(BEDT-TTF)2(I3)1-x(A)x (A=AuI2, I2Br) System Chem. Lett., 15(6), 957-960 (1986). H. Kobayashi, R. Kato, A. Kobayashi, Y. Nishio, K. Kajita, and W. Sasaki Crystal and Electronic Structures of Layered Molecular Superconductor, θ-(BEDT-TTF)2(I3)1-x(AuI2)x Chem. Lett., 15(5), 833-836 (1986). H. Kobayashi, R. Kato, A. Kobayashi, Y. Nishio, K. Kajita, and W. Sasaki A New Molecular Superconductor, (BEDT-TTF)2(I3)1-x(AuI2)x (x<0.02) Chem. Lett., 15(5), 789-792 (1986). K. Yakushi, H. Tajima, H. Kanbara, M. Tamura, H. Kuroda, G. Saito, H. Kobayashi, R. Kato, and A. Kobayashi Temperature Dependence of the Reflectance Spectra of BEDT-TTF Polyhalides Physica B, 143, 463-467 (1986). H. Anzai, M. Tokumoto, T. Ishiguro, H. Kobayashi, R. Kato, and A. Kobayashi The Crystal Growth of BEDT-TTF Complexes with Linear Chain Anions Physica B, 143, 293-295 (1986). K. Kajita, Y. Nishio, S. Moriyama, W. Sasaki, R. Kato, H. Kobayashi, and A. Kobayashi Transport Properties of a Newly Synthesized Organic Conductor, β"-(BEDT-TTF)2AuBr2 Solid State Commun., 60, 811-815 (1986). A. Kobayashi, R. Kato, H. Kobayashi, M. Tokumoto, H. Anzai, and T. Ishiguro Crystal and Electronic Structures of δ-(BEDT-TTF)2AuI2 Chem. Lett., 15(7), 1117-1120 (1986). H. Kobayashi, R. Kato, A. Kobayashi, G. Saito, M. Tokumoto, H. Anzai, and T. Ishiguro Crystal Structure of α'-(BEDT-TTF)2BrICl Chem. Lett., 15(1), 93-96 (1986). H. Kobayashi, R. Kato, A. Kobayashi, G. Saito, M. Tokumoto, H. Anzai, and T. Ishiguro The Crystal Structure of β'-(BEDT-TTF)2ICl2. A Modification of the Organic Superconductor, β-(BEDT-TTF)2I3 Chem. Lett., 15(1), (1986). A. Kobayashi, Y. Sasaki, T. Watanabe, S. Ikehata, H. Kishida, H. Kawamura, R. Kato, and H. Kobayashi Superconductivity and Characterization of the High-Pressure Reaction Products of Carbon Diselenide, CSe2 Bull. Chem. Soc. Jpn., 59, 3821-3827 (1986). H. Kobayashi, R. Kato, A. Kobayashi, and Y. Sasaki The Crystal and Electronic Structures of a New Molecular Conductor, (TMTSF)[Ni(dmit)2] Chem. Lett., 14(4), 535-538 (1985). H. Kobayashi, R. Kato, A. Kobayashi, and Y. Sasaki The Crystal Structure of [BEDT-TTF][Ni(dmit)2]. A New Route to Design of Organic Conductors Chem. Lett., 14(2), 191-194 (1985). R. Kato, H. Kobayashi, A. Kobayashi, and Y. Sasaki Crystal Structure of a New Molecular Conductor (DBTTF)[Ni(dmit)2] Chem. Lett., 14(1), 131-134 (1985). H. Kobayashi, R. Kato, T. Mori, A. Kobayashi, Y. Sasaki, G. Saito, and H. Inokuchi Organic Conductors Based on Multi-Sulfur π-Donor and/or π-Acceptor Molecules-BEDT-TTF, BMDT-TTF, BPDT-TTF, and M(dmit)2- Mol. Cryst. Liq. Cryst., 125, 125-134 (1985). R. Kato, H. Kobayashi, A. Kobayashi, and Y. Sasaki Three-Dimensional Intermolecular Se…Se Network in (BEDSe-TSeF)PF6 Chem. Lett., 14(12), 1943-1946 (1985). R. Kato, H. Kobayashi, A. Kobayashi, and Y. Sasaki Crystal Structures and Electrochemial Properties of Organic Donors, BMDT-TTF and BEDSe-TSeF. Two Modifications of BEDT-TTF Chem. Lett., 14(8), 1231-1234 (1985). R. Kato, H. Kobayashi, T. Mori, A. Kobayashi, and Y. Sasaki Electronic Structure of the Organic Conductors Based on BMDT-TTF (Bis(Methylenedithio) Tetrathiafulvalene) Solid State Commun., 55, 387-392 (1985). T. Mori, A. Kobayashi, Y. Sasaki, R. Kato, and H. Kobayashi Band Structure of β-(BEDT-TTF)2PF6. One-Dimensional Metal along the Transverse Direction Solid State Commun., 53, 627-631 (1985). H. Kobayashi, R. Kato, A. Kobayashi, G. Saito, M. Tokumoto, H. Anzai, and T. Ishiguro The Crystal and Electronic Structures of BEDT-TTF2I2Br Chem. Lett., 14(9), 1293-1296 (1985). R. Kato, T. Mori, A. Kobayashi, Y. Sasaki, and H. Kobayashi Crystal Structure and Electrical Conductivity of (Et4N)0.5[Ni(dmit)2] Chem. Lett., 13(1), 1-4 (1984). R. Kato, H. Kobayashi, A. Kobayashi, and Y. Sasaki Crystal Structure of (BMDT-TTF)3(ClO4)(1,2-Dichloroethane). Molecular Design for the Multi-Dimensional Molecular Conductor Chem. Lett., 13(10), 1693-1696 (1984). R. Kato, A. Kobayashi, Y. Sasaki, and H. Kobayashi Two-Dimensional Character of Crystal Structure of Organic Conductor,(BMDT-TTF)3(PF6)(1,2-Dichloroethane) Chem. Lett., 13(6), 993-996 (1984). T. Mori, A. Kobayashi, Y. Sasaki, R. Kato, and H. Kobayashi One-Dimensional Nature of the Band-Structure Parameters of (BPDT-TTF)3(PF6)2 and (BPDT-TTF)2I3 Chem. Lett., 13(8), 1335-1338 (1984). H. Kobayashi, M. Takahashi, R. Kato, A. Kobayashi, and Y. Sasaki The Crystal Structure and Electrical Resistivity of (BPDT-TTF)2I3 Chem. Lett., 13(8), 1331-1334 (1984). R. Kato, T. Mori, A. Kobayashi, Y. Sasaki, and H. Kobayashi Crystal Structure and Electrical Conductivity of (BPDT-TTF)3(PF6)2 Chem. Lett., 13(5), 781-784 (1984). H. Kobayashi, R. Kato, T. Mori, A. Kobayashi, Y. Sasaki, G. Saito, T. Enoki, and H. Inokuchi Crystal Structures and Electrical Properties of BEDT-TTF Compounds Mol. Cryst. Liq. Cryst., 107, 33- (1984). H. Kobayashi, R. Kato, T. Mori, A. Kobayashi, Y. Sasaki, G. Saito, T. Enoki, and H. Inokuchi The Crystal Structures and Electrical Resistivities of (BEDT-TTF)3(ClO4)2 and (BEDT-TTF)2(ClO4)(C4H8O2) Chem. Lett., 13(2), 179-182 (1984). H. Kobayashi, R. Kato, T. Mori, A. Kobayashi, Y. Sasaki, G. Saito, and H. Inokuchi Crystal Structure of α-(BEDT-TTF)2PF6 Chem. Lett., 12(5), 759-762 (1983). H. Kobayashi, T. Mori, R. Kato, A. Kobayashi, Y. Sasaki, G. Saito, and H. Inokuchi Transverse Conduction and Metal-Insulator Transition in β-(BEDT-TTF)2PF6 Chem. Lett., 12(4), 581-584 (1983). H. Kobayashi, T. Mori, R. Kato, A. Kobayashi, Y. Sasaki, G. Saito, and H. Inokuchi Highly Conductive Poly(Carbon Diselenide) Chem. Lett., 12(9), 1407-1410 (1983). R. Kato, A. Kobayashi, and Y. Sasaki The Heteropolyvanadate of Phosphorus. Crystallographic and NMR Studies Inorg. Chem., 21, 240-246 (1982). R. Kato, A. Kobayashi, and Y. Sasaki 1:14 Heteropolyvanadate of Phosphorus: Preparation and Structure J. Am. Chem. Soc., 102, 6571-6572 (1980). R. Kato and T. Itou　New! Molecular Quasi-Triangular Lattice Antiferromagnets Understanding Quantum Phase Transitions, 419-443 (2010). S. Kagoshima, R. Kato, H. Fukuyama, H. Seo, and H. Kino, "Interplay of Structural and Electronic Properties" Advances in Synthetic Metals -Twenty Years of Progress in Science and Technology, (Eds.: P. Bernier, S. Lefrant, G. Bidan), Elsevier, 262-316 (1999). T. Enoki and R. Kato, "π-d Interaction in Molecular Complexes" Molecular Magnetism-New Magnetic Materials-, (Eds.: K. Itoh and M. Kinoshita), Gordon and Breach, 189-206 (2000). →CMM Member