Contract Technical Scientist
| March 2000 | Bachelor of Science, The Toho University |
| March 2002 | Master of Science, Graduate School of Science, The Toho University |
| 2002 to 2011 | Research Assistant, Condensed Molecular Materials Laboratory, RIKEN |
- Control of electronic properties of organic conductors based on pressure
- Study on magnetic resistance and Hall effect
- 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).
- 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).
- 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!
Caption of Figure 4 in p.35 should be corrected for "right; Cation = EtMe3Sb, left; Cation = EtMe3As".
- 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). - 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). - 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. 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). - 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). - 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). - 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). - K. Kajita, N. Tajima, A. Ebina, and Y. Nishio
"Organic Semiconductor with Extremle Narrow Energy Gap"
Synth. Met., 133-134, 95-97 (2003). - N. Tajima, A. Ebina, Y. Nishio, and K. Kajita
"Transport Properties of Organic Conductor α-(BEDT-TTF)2I3 and θ-(BEDT-TTF)2I3 under Hydrostatic Pressure and Uniaxial Strain"
Synth. Met., 133-134, 147-149 (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). - 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). - N. Tajima, A. Ebina, Y. Nishio, and K. Kajita
"Transport Property of an Organic Conductor α-(BEDT-TTF)2I3 with Ultra Narrow Energy Gap under High Pressures"
Inst. Pure. Applied Phys., "10th International Conference on Narrow Gap Semiconductors", 303 (2001) - 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).
