S. Yoon, W. Lee, S. Lee, J. Park, C.H. Lee, Y.S. Choi, S-H. Do, W-J. Choi, W-T Chen, F. Chou, D. I. Gorbunov, Y. Oshima, A. Ali, Y. Singh, A. Berlie,
I. Watanabe, and K-Y Choi
Quantum disordered state in the J1-J2 square-lattice antiferromagnet Sr2Cu(Te0.95W0.05)06 Phys. Rev. Materials 5, 014411 (2021).New!
R. Kato, H. Cui, T. Minamidate, H.H.M. Yeung, and Y. Suzumura
Electronic Structure of a Single-Component Molecular Conductor
[Pd(dddt)2] (dddt = 5,6-dihydro-1,4-dithiin-2,3-dithiolate)
under High Pressure J. Phys. Soc. Jpn. 89, 124706 (2020).New!
Y. Suzumura, R. Kato, and M. Ogata
Electric Transport of Nodal Line Semimetals in Single-Component Molecular Conductors Crystals 10(10), 10100862 (2020).New!
Y. Unozawa, Y. Kawasugi, M. Suda, H.M. Yamamoto, R. Kato, Y. Nishio, K. Kajita, T. Morinari, and N. Tajima
Quantum Phase Transition in Organic Massless Dirac Fermion System α-(BEDT-TTF)2I3 under Pressure J. Phys. Soc. Jpn. 89, 123702 (2020).
R. Kobara, S. Igarashi, Y. Kawasugi, R. Doi, T. Naito, M. Tamura, R. Kato, Y. Nishio, K. Kajita, and N. Tajima
Universal Behavior of Magnetoresistance in Organic Dirac Electron Systems J. Phys. Soc. Jpn. 89, 113703 (2020).
S.A. Sahadevan, A. Abherve, N. Monni, P. Auban-Senzier, H. Cui, R. Kato, M.L. Mercuri, and N. Avarvari
Radical Cation Salts of Tetramethyltetrathiafulvalene (TM-TTF) and Tetramethyltetraselenafulvalene (TM-TSF) with Chlorocyananilate-Based Anions Cryst. Growth Des., 20, 10, 6777 (2020).
H. Hachem, H. Cui, T. Tsumuraya, R. Kato, O. Jeannin, M. Fourmigue´, and D. Lorcy
Single-component conductors based on closed-shell Ni and Pt bis(dithiolene) complexes:
metallization under high pressure J. Mater. Chem. C, 8, 11581 (2020).
M. Yamashita, Y. Sato, T. Tominaga, Y. Kasahara, S. Kasahara, H. Cui, R. Kato, T. Shibauchi, and Y. Matsuda
Presence and absence of itinerant gapless excitations in the quantum spin liquid candidate EtMe3Sb[Pd(dmit)2]2 Phys. Rev. B101, 140407 (2020).
R. Kato, and Y. Suzumura
A Tight-binding Model of an Ambient-pressure Molecular Dirac Electron System with Open Nodal Lines J. Phys. Soc. Jpn. 89, 044713 (2020).
Y. Kiyota, T. Kawamoto, R. Kato, and T. Mori
Thermoelectric Power of the Multi-Orbital Dimer Mott System, β-(CH3)4N[Pd(dmit)2]2 J. Phys. Soc. Jpn. 89, 034701 (2020).
P. Bourgeois-Hope, F. Laliberte, E. Lefrancois, G. Grissonnanche, S. Rene de Cotret, R. Gordon,
S. Kitou, H. Sawa, H. Cui, R. Kato, L. Taillefer, and N. Doiron-Leyraud
Thermal Conductivity of the Quantum Spin Liquid Candidate EtMe3Sb[Pd(dmit)2]2: No Evidence of Mobile Gapless Excitations Phys. Rev. X 9, 041051 (2019).
J.M. Ni, B.L. Pan, B.Q. Song, Y.Y. Huang, Y. Zeng, Y.J. Yu, E.J. Cheng, L.S. Wang, D.Z. Dai, R. Kato, and S.Y. Li
Absence of Magnetic Thermal Conductivity in the Quantum Spin
Liquid Candidate EtMe3Sb[Pd(dmit)2]2 Phys. Rev. Lett. 123, 247204 (2019).
S.A. Sahadevan, A. Abherve, N. Monni, P. Auban-Senzier, J. Cano, F. Lloret, M. Julve, H. Cui, R. Kato, E. Canadell, M.L. Mercuri, and N. Avarvari
Magnetic Molecular Conductors Based on Bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) and the Tris(chlorocyananilato)ferrate(III) Complex Inorg. Chem., 58 (2019).
R. Takehara, K. Sunami, K. Miyagawa, T. Miyamoto, H. Okamoto, S. Horiuchi, R. Kato, and K. Kanoda
Topological charge transport by mobile dielectric-ferroelectric domain walls Science Advances, eaax8720 (2019).
Y. Suzumura, T. Tsumuraya, R. Kato, H. Matsuura, and M. Ogata
Role of Velocity Field and Principal Axis of Tilted Dirac Cones in Effective Hamiltonian of Non-Coplanar Nodal Loop J. Phys. Soc. Jpn. 88, 124704 (2019).
Y. Kawasugi, K. Seki, J. Pu, T. Takenobu, S. Yunoki, H.M. Yamamoto, and R. Kato
Non-Fermi-liquid behavior and doping asymmetry in an organic Mott insulator interface Phys. Rev. B 100, 115141 (2019).
Y. Kawasugi, K. Seki, S. Tajima, J. Pu, T. Takenobu, S. Yunoki, H.M. Yamamoto, and R. Kato
Two-dimensional ground-state mapping of a Mott-Hubbard system in a flexible field-effect device Science Advances, eaav7282 (2019).
H. Cui, T. Tsumuraya, H. H.M. Yeung, C.S. Coates , M.R. Warren, and R. Kato
High Pressure Crystal Structure and Electrical Properties of a Single Component Molecular Crystal [Ni(dddt)2] (dddt = 5,6-dihydro-1,4-dithiin-2,3-dithiolate) Molecules, 24, 1843 (2019).
S. Fujiyama and R. Kato
Fragmented Electronic Spins with Quantum Fluctuations in Organic Mott Insulators Near a Quantum Spin Liquid Phys. Rev. Lett. 122, 147204 (2019).
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 (2019).
T. Kihara, H. Nojiri, Y. Narumi, Y. Oshima, K. Kindo, C. Heesing, J. Schnack, and A. Mueller
Evidence of Low-Energy Singlet Excited States in the Spin-1/2 Polyhedral Clusters {Mo72V30} and {W72V30} with Strongly Frustrated Kagome Networks Phys. Rev. B 99, 064430 (2019).
D. Zhang, W. Choi, Y. Oshima, U, Wiedwald, S.-H. Cho, H.-P Lin, Y.K. Li, Y. Ito, and K. Sugioka
Magnetic Fe@FeOx, Fe@C and α-Fe2O3 Single-Crystal Nanoblends Synthesized by Femtosecond Laser Ablation of Fe in Acetone. Nanomaterials, 8, 631 (2018).
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).
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, 16, 1100-1105 (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. Shrestha, R. Shrestha, X. Y. Qin, T. F. Kuo, Y. Oshima, S. Iwatani, R. Teraoka, K. Fujii, M. Hara, M. Li, A. Takahashi-Nakaguchi, H. Chibana, J. Lu, M. Cai, S. Kajiwara, and S. Kojima
Fungus-Derived Hydroxyl Radicals Kill Hepatic Cells by Enhancing Nuclear Transglutaminase Scientific Reports 7, 4746 (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. 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).
M. Souto, H. B. Cui, M. Pena-Alvarez, V. G. Baonza, H. O. Jeschke, M. Tomic, R. Valenti, D. Blasi, I. Ratera, C. Rovira, and J. Veciana
Pressure-Induced Conductivity in a Neutral Non-planar Spin-localized Radical J. Am. Chem. Soc., 138(36), 11517-11525 (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).
Y. Yanagisawa, Y. Xu, S. Iguchi, M. Hamada, S. Matsumoto, G. Nishijima, H. Nakagome, T. Takao, H. Suematsu, Y. Oshima, X. Jin, M. Takahashi, and H. Maeda
Combination of High Hoop Stress Tolerance and a Small Screening Current-Induced Field for an Advanced Bi-2223 Conductor Coil at 4.2 K in an External Field Supercond. Sci. Technol., 28, 125005/1-10 (2015).
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).
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).
K. Murata, Y. Fukumoto, K. Yokogawa, R. Takaoka, W. Kang, J.S. Brooks, D. Graf,
H. Yoshino, T. Sasaki,
and R. Kato
Magnetic-field-induced phase transitions in the quasi-one-dimensional organic conductor HMTSF-TCNQ Low Temperature Phys., 40, 371 (2014).
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
Magnetic-Field-Induced Phase Transition and a Possible Quantum Hall Effect in the Quasi-One-Dimensional CDW Organic Conductor HMTSF-TCNQ Journal of Modern Phys., 5, 673-679 (2014).
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).
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).
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).
S. Fujiyama, H. Ohsumi, K. Ohashi, D. Hirai, B. J. Kim, T. Arima, M. Takata, and H. Takagi
Spin and Orbital Contributions to Magnetically Ordered Moments in 5d Layered Perovskite Sr2IrO4 Phys. Rev. Lett., 112, 016405/1-016405/5 (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).
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).
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).
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).
T. Ishikawa, T. Tanaka, N. Fukazawa, Y. Matsubara, Y. Okimoto, K. Onda, S. Koshihara, M. Tamura, R. Kato
Slow Dynamics of the Photoinduced Phase Transition in Pd(dmit)2 Salts (dmit = 1,3-dithiol-2-thione-4,5-dithiolate) Acta Physica Polonica A, 121(2), 316-318 (2012).
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).
Y. Kasahara, Y. Oshima, J. Falson, Y. Kozuka, A. Tsukazaki, M. Kawasaki, and Y. Iwasa
Correlation-Enhanced Effective Mass of Two-Dimensional Electrons in MgxZn1-xO/ZnO Heterostructures Phys. Rev. Lett., 109, 246401/1-246401/5 (2012).
M. Nomura, F. Imamura, C. Fujita-Takayama, T. Sugiyama, and M. Kajitani
Syntheses and Electrochemistry of Organometallic Cobaltadithiaazulenes Inorg. Chem., 51(20), 10695-10703 (2012).
M. Nomura, K. Harada, T. Suzuki, M. Kajitani, and T. Sugiyama
Square-Planar Metal Dithiolene Complexes (M = Ni, Au) Exhibiting cis and trans Forms Based on Structurally Flexible o-Xylylene Backbone Polyhedron, 47(1), 9-15 (2012).
M. Nomura, T. Nakamura, Y. Kashimura, T. Sugiyama, and M. Kajitani
Syntheses and Structural Diversity of Salicylideneaniline Derivatives with Cobaltadithiolene Backbone J. Mol. Struct., 1008, 77-82 (2012).
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).Nature Com.注目論文!
N. Ishimatsu, T. Shichijo, Y. Matsushima, H. Maruyama, Y. Matsuura, T. Tsumuraya, T. Shishidou, T. Oguchi, N. Kawamura, M. Mizumaki, T. Matsuoka, and K. Takemura
Hydrogen-Induced Modification of the Electronic Structure and Magnetic States in Fe, Co, and Ni Monohydrides Phys. Rev. B, 86, 104430/1-104430/9 (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).
T. Tsumuraya, J-H. Song, and A. J. Freeman
Linear Optical Properties and Electronic Structures of Poly(3-hexylthiophene) and Poly(3-hexylselenophene) Crystals from First Principles Phys. Rev. B, 86, 075114/1-075114/10 (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).
Y. Oshima, H. Nojiri, J. Schnack, P. Kogerler, and M. Luban
Determination of Exchange Energies in the Sawtooth Spin Ring {Mo75V20} by ESR Phys. Rev. B, 85, 024413/1-024413/5 (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).
B. Zhou, A. Kobayashi, H. B. Cui, L. S. Long, H. Fujimori, and H. Kobayashi
Anomalous Dielectric Behavior and Thermal Motion of Water Molecules Confined in Channels of Porous Coordination Polymer Crystals J. Am. Chem. Soc., 133(15), 5736-5739 (2011).
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).
M. Nomura, C. Fujita-Takayama, T. Sugiyama, and M. Kajitani
Diverse Reactivities of Aromaticity-Unsaturation Coexisted Metalladithiolene Rings J. Organomet. Chem., 696(25), 4018-4038 (2011).
M. Nomura, N. Sakamoto, H. Nakajima, C. Fujita-Takayama, T. Sugiyama, and M. Kajitani
Syntheses and Reactivities of Azido Coordinated CpCo(dithiolene) Complexes Polyhedron, 30(17), 2890-2895 (2011).
M. Nomura, K. Terada, A. Onozawa, Y. Mitome, T. Sugiyama, and M. Kajitani
Pd-Catalyzed Boronations and Cross-Coupling Reactions of Aromatic Cobaltadithiolene Complexes with Aryl Halides J. Organomet. Chem., 696(14), 2720-2727 (2011).
M. Nomura, S. Iida, K. Seki, K. Kobayashi, G. Hagino, S. Horikoshi, T. Sugiyama, A. Sugimori, and M. Kajitani
Rare Direct Imidation of Pseudo Aromatic Metallacycle by Reaction of CpCo(dithiolene) Complexes with N-Halosuccinimide J. Organomet. Chem., 696(9), 1723-1728 (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).ACS注目論文!
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).
M. Nomura
Organometallic Dithiolene Complexes of the Group 8-10 Metals: Reactivities, Structures and Electrochemical Behavior Dalton Trans., 40, 2112-2140 (2011).
M. Sato, K. Miura, S. Endo, S. Sugawara, N. Tajima, K. Murata, Y. Nishio, and K. Kajita
Transport Phenomenon of Multilayer Zero-Gap Conductor in the Quantum Limit J. Phys. Soc. Jpn., 80, 023706/1-023706/4 (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).
K. Murata, K. Yokogawa, K. Kobayashi, K. Masuda, T. Sasaki, Y. Seno, N.R. Tamilselvan, H. Yoshino, J.S. Brooks, D. Jerome, K. Bechgaard, M. Uruichi, K. Yakushi, Y. Nogami, and R. Kato
Field-Induced Successive Phase Transitions in the Charge Density Wave Organic Conductor HMTSF-TCNQ J. Phys. Soc. Jpn., 79, 103702 (2010).
Y. Takano, K. Hiraki, Y. Takada, H. M. Yamamoto, and T. Takahashi
Local Spin Susceptibility Characteristic of Zero-Gap State of α-(BEDT-TTF)2I3 under Pressure J. Phys. Soc. Jpn., 79, 104704/1-104704/7 (2010).
M. Nomura, M. Kanamori, N. Tateno, C. Fujita-Takayama, T. Sugiyama, and M. Kajitani
Two Near-UV and Visible Chromophores of CpCo(Dithiolene) Complexes with Pyridinium-Dicyanomethylide Group J. Organomet. Chem., 695(22), 2432-2440 (2010).
M. Nomura, S. Kondo, S. Yamashita, E. Suzuki, Y. Toyota, G. V. Alea, G. C. Janairo, C. Fujita-Takayama, T. Sugiyama, and M. Kajitani
Sulfur-Rich CpCo(dithiolene) Complexes: Isostructural or Non-Isostructural Couples of CpCo(III) with CpNi(III) Dithiolene Complexes J. Organomet. Chem., 695(21), 2366-2375 (2010).
M. Nomura, T. Sasao, T. Sugiyama, and M. Kajitani
Structures and Electrochemistry of Monomeric and Dimeric CpCo(dithiolene) Complexes with Substituted Benzene-1,2-dithiolate Ligand Inorg. Chim. Acta, 363(14), 3647-3653 (2010).
M. Nomura, H. Oguro, K. Maeshima, S. Iida, S. Horikoshi, T. Sugiyama, A. Sugimori, and M Kajitani
Sulfur-Centered and Nitrogen-Centered Radical Substitution Reactions of Aromatic CpCo(dithiolene) Complex with 2,2’-Dibenzothiazolyl Disulfide J. Organomet. Chem., 695(12-13), 1613-1617 (2010).
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).
Y. Takahide, M. Kimata, K. Hazama, T. Terashima, S. Uji, T. Konoike, and H. M. Yamamoto
Charge Transport in Charge-Ordered Layered Crystals θ-(BEDT-TTF)2MZn(SCN)4 (M=Cs, Rb): Effects of Long-Range Coulomb Interaction and Pauli Exclusion Principle Phys. Rev. B, 81, 235110/1-235110/18 (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).
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Experimental Charge Density Study of (DBr-DCNQI)2Cu for Metallic Phase by Synchrotron X-Ray Diffraction Physica B, 405(11), S321-S323 (2010).
K. Yanagi, H. Udoguchi, S. Sagitani, Y. Oshima, T. Takenobu, H. Kataura, T. Ishida, K. Matsuda, and Y. Maniwa
Transport Mechanisms in Metallic and Semiconducting Single-Wall Carbon Nanotube Networks ACS Nano, 4(7), 4027-4032 (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).
T. Zenmoto, Y. Oshima, H. Nojiri, S. H. Lee, and M. Kofu
High Magnetic Field Micro-Calorimeter and Application for BE-Condensation of Cr5+ Dimer System J. Low Temp. Phys., 159, 118-121 (2010).
M. Nomura, K. Terada, A. Onozawa, Y. Mitome, T. Sugiyama, and M. Kajitani
"Pd-catalyzed dithiolene-aryl cross-coupling reaction of aromatic CpCo dithiolene complex" Chem. Lett., 39(3), 208-209 (2010).
Y. Oshima, T. Takenobu, K. Yanagi, Y. Miyata, H. Kataura, K. Hata, Y. Iwasa, and H. Nojiri
Intrinsic Magnetoresistance of Single-Walled Carbon Nanotubes Probed by a Noncontact Method Phys. Rev. Lett., 104(1), 016803/1-016803/4 (2010).
M. Nomura, D. Takeuchi, Y. Toyota, E. Suzuki, C. Fujita-Takayama, T. Sugiyama, and M. Kajitani
"CpCo(dithiolene) complexes of highly flexible Oxddt ligand with two different Z-shaped and U-shaped structures" J. Organomet. Chem., 694(26), 4261-4269 (2009).
M. Nomura, C. Fujita-Takayama, T. Sugiyama, A. Sugimori, and M. Kajitani
"Rare monomeric structure of CpRh(III) dithiolene complex: Combined ESR and electronic absorption studies on electrochemically generated Rh(II) species" Inorg. Chem. Commun., 12(8), 711-715 (2009).
M. Nomura, E. Tsukano, C. Fujita-Takayama, T. Sugiyama, and M. Kajitani
"Organometallic dithiolene complexes of benzenedithiolate analogues with π-coordinating and π-interacting Cp* ligand" J. Organomet. Chem., 694(19), 3116-3124 (2009).
M. Nomura, T. Fujii, and M. Kajitani
"Platinum dithiolene complexes of π-Coordinating and π-interacting η4-cyclobutadiene ligands" Organometallics, 28(13), 3776-3784 (2009).
M. Nomura, M. Kanamori, Y. Yamaguchi, N. Tateno, C. Fujita-Takayama, T. Sugiyama, and M. Kajitani
"Hydrogen bonding interaction of CpCo(Dithiolene) complex with monocyclic 2-pyridonyl substituent and unexpected formation of dithiolene-fused tricyclic pyridone derivative" J. Organomet. Chem., 694(18), 2902-2911 (2009).
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).
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. 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).
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
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Quantum Spin Liquid in the Spin-1/2 Triangular Antiferromagnet EtMe3Sb[Pd(dmit)2]2 Phys. Rev. B, 77, 104413/1-104413/5 (2008).
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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).
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Infrared and Raman Study of the Charge-Ordered State in the Vicinity of the Superconducting State in the Organic Conductor β-(meso-DMBEDT-TTF)2PF6 J. Phys. Soc. Jpn., 77(2), 024714/1-024714/8 (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).
K. Katayama, T. Nagai, H. Taniguchi, K. Satoh, N. Tajima, and R. Kato
High-Pressure Electronic State of κ-(BEDT-TTF)2Cu[N(CN)2]Br Probed by Hall Effect J. Phys. Soc. Jpn., 76, 194-195 (2007).
S. Sugawara, T. Ueno, N. Tajima, Y. Nishio, and K. Kajita
Magnetoresistance of Quasi Two-Dimensional Organic Conductors κ(BEDT-TSeF)2FeX4 (X=Cl, Br) and Mapping of Fermi Surface J. Phys. Soc. Jpn., 76(11), 114706/1-114706/7 (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).
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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).
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Large Positive Magnetoresistance of Insulating Organic Crystals in the Non-Ohmic Region Phys. Rev. Lett. 98, 116602/1-116602/4 (2007).
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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).
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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
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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).
J. Fujisawa, N. Tajima, K. Tamaki, M. Shimomura, and T. Ishihara
Electronic Interactions between Inorganic Nanowires and Organic Electron Acceptors: Drastic Changes in Optical Response and Molecular Vibration J. Phys. Chem. C, 111(3), 1146 -1149 (2007).
K. Torizuka, H. Tajima, and T. Yamamoto
Thermal Conductivity of (DMe-DCNQI)2Li1-xCux (x=1 and 0.75): Anomalous Temperature Hysteresis Depending on Cu Concentration J. Phys. Soc. Jpn., 75(7), 074604 (2006).
S. Ueki, T. Nogami, T. Ishida, and M. Tamura
ET and TTF Salts with Lanthanide Complex Ions Showing Frequency-Dependent ac Magnetic Susceptibility Mol. Cryst. Liq. Cryst., 455, 129-134 (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).
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).
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).
S. Sugawara, T. Ueno, Y. Kawasugi, N. Tajima, Y. Nishio, and K. Kajita
Out-of-Plane Resistance under Transverse Magnetic Field in Quasi-One-Dimensional Layered Metals" J. Phys. Soc. Jpn. 75, 053704 (2006).
K. Kajiyoshi, T. Kambe, M. Tamura, and K. Oshima
Antiferromagnetic Ground State in Organic Quasi-1D Ferromagnet γ-Phase Para-Nitrophenyl Nitronyl Nitroxide J. Phys. Soc. Jpn., 75, 074702/1-074702/7 (2006).
T. Yamaguchi, T. Konoike, K. Enomoto, M. Nishimura, T. Terashima, S. Uji, and H. M. Yamamoto
Current-Voltage Characteristics of Charge-Ordered Organic Crystals Phys. Rev. Lett., 96(13), 136602/1-136602/4 (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).
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 Conductor 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).
J. Fujisawa and N. Tajima
Photoconductivity Induced by Wire-to-Spacer Charge-Transfer Transitions in an Inorganic-Organic Hybrid Quasi-One-Dimensional Crystal: Polaron Excitation in the Urbach Tail Phys. Rev. B, 72, 125201 (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).
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 - Grustration 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).
R. Chiba, K. Hiraki, T. Takahashi, H. M. Yamamoto, and T. Nakamura
Extremely Slow Charge Fluctuations in the Metallic State of the Two-Dimensional Molecular Conductor θ -(BEDT-TTF)2RbZn(SCN)4 Phys. Rev. Lett., 93(21), 216405/1-216405/4 (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. 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).
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).
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).
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).
K. Murata, K. Iwashita, H. M. Yamamoto, H. Yoshino, J. S. Brooks, K. Hiraki, and T. Takahashi
Charge Disproportionation and Weak Localization in θ-(BEDT-TTF)2MZn(SCN)4 [M=Cs, Rb] Synth. Met., 135-136, 553-554 (2003).
Y. Kubo, Y. Takano, K. Hiraki, T. Takahashi, H. M. Yamamoto, and T. Nakamura 13C-NMR Studies of the 'Narrow Gap SemiConducting' State of α-(BEDT-TTF)2I3 under Pressure Synth. Met., 135-136, 591-592 (2003).
R. Chiba, K. Hiraki, T. Takahashi, H. M. Yamamoto, and T. Nakamura
Pressure Effect on the Charge Ordering in θ-(BEDT-TTF)2MZn(SCN)4[M=Rb, Cs] Synth. Met., 135-136, 595-596 (2003).
Y. Kubo, Y. Takano, K. Hiraki, T. Takahashi, H. M. Yamamoto, and T. Nakamura
The Electronic State of α-(BEDT-TTF)2I3 under Hydrostatic Pressure Synth. Met., 133-134, 307-308 (2003).
R. Chiba, K. Hiraki, T. Takahashi, H. M. Yamamoto, and T. Nakamura
Charge Ordering in θ-(BEDT-TTF)2MZn(SCN)4 [M = Rb, Cs] Synth. Met., 133-134, 305-306 (2003).
K. Iwashita, H. M. Yamamoto, H. Yoshino, D. Graf, K. Storr, I. Rutel, J. S. Brooks, T. Takahashi, and K. Murata
Uniaxial Strain Dependence of Electronic States of θ-(BEDT-TTF)2MZn(SCN)4 [M=Cs, Rb] Synth. Met., 133-134, 153-155 (2003).
N. Tajima, A. Ebina, M. Tamura, Y. Nishio, and K. Kajita
Transport Properties of Organic Conductor α-(BEDT-TTF)2I3 and θ-(BEDT-TTF)2I3 under Hydrostatic Pressure or Uniaxial Strain Synth. Met., 133-134, 147-149 (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).
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).
H. M. Yamamoto
Anionic Supramolecular Assemblies in Conductive Cation Radical Salts: Iodine-Containing Molecules as Building Blocks RIKEN Review, 46, 3-6 (2002).
N. Tajima, A. Ebina-Tajima, M. Tamura, Y. Nishio, and K. Kajita
Effects of Uniaxial Strain on Transport Properties of Organic Conductor α-(BEDT-TTF)2I3 and Discovery of Superconductivity J. Phys. Soc. Jpn., 71, 1832-1835 (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. 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, 970-971 (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).
N. Tajima, A. Ebina, M. Tamura, Y. Nishio, and K. Kajita
Transport Property of α-(BEDT-TTF)2I3 under High Pressure -- Ultra Narrow Gap SemiConductor Synth. Met., 120, 935-936 (2000).
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).
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).