Yasuyuki ISHII

Contract Researcher

Born in 1974

March 1998 Bachelor of Science and Engineering, Chuo University
March 2000 Master of Science, Graduate School of Science and Engineering, Chuo University
March 2003 Doctor of Science, Graduate School of Science and Engineering, Saitama University


2001-2003 Teaching Assistant, Faculty of Engineering, Tokyo Denki University
2003-2004 Post Doctral Researcher, Condensed Molecular Materials Laboratory, RIKEN
2004 to 2006 Special Post Doctral Researcher, Condensed Molecular Materials Laboratory, RIKEN
2007 to date Contract Researcher, Condensed Molecular Materials Laboratory, RIKEN


- Study on physical properties of molecular conductors featuring high-pressure
   (Electrical resistance and magnetization measurement under high-pressure）
- Development of pressuring device


  1. M. Tamura, Y. Ishii, and R. Kato 　New!
    "Magnetic study of quantum triangular antiferromagnet [Pd(dmit)2] salts under pressure"
    J. Phys.: Condens. Matter 19(14), 145239/1-145239/6 (2007).

  2. Y. Ishii, M. Tamura, and R. Kato　New!
    "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).

  3. 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).

  4. 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).　（not available on the website）

  5. 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).

  6. 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"
    Synthetic Metals, 153, 425-428 (2005)

  7. 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).

  8. H. Taniguchi, M. Miyashita, K. Uchiyama, R. Sato, Y. Ishii, K. Satoh, N. Mori, M. Hedo, and Y. Uwatoko
    "High-Pressure Study up to 9.9 GPa of Organic Mott Insulator, β'-(BEDT-TTF)2AuCl2"
    J. Phys. Soc. Jpn., 74(5), 1370-1373 (2004)　　Paper of Editors' Choice

  9. Y. Ishii, M. Kosaka, H. Abe, H. Kitazawa, G. Kido, and Y. Uwatoko
    "High-field magnetization and other physical properties of Ce2T3X5 compounds (T = Pd, Rh and Cu; X = Si and A1)"
    Journal of Magnetism and Magnetic Material, 277, 60-63 (2004)

  10. Y. Ishii, M. Kosaka, A. V. Andreev, V. Sechovsky, and Y. Uwatoko
    "Ferromagnetism induced in UCoAl under uniaxial pressure"
    Physica B, 334, 160-166 (2003).

  11. Y. Ishii, M. Hedo, Y. Uwatoko, and N. Mori
    "Effect of pressure on the ferromagnetic cerium compound CeCu9Sn4"
    Acta Physica Polonica B, 34 (22), 1249-1252 (2003).

  12. V. Sechovsky, A. V. Andreev, Y. Ishii, M. Kosaka, and Y. Uwatoko
    "Ferromagnetism induced in UCoAl by uniaxial pressure"
    High Pressure Research, 22, 155-158 (2002).

  13. H. Fujii, T. Fujiwara, Y. Ishii, S. Koiwai, M. Kosaka, Y. Uwatoko, M. Nishi, and K. Kakurai
    "Evidence of the anisotropically developed antiferromagnetic spin fluctuation in CeFe2 under high pressures"
    Physica B, 312-313, 336-338 (2002).

  14. Y. Ishii, S. Ohshima, M. Kosaka, and Y. Uwatoko
    "Thermal properties of single crystals of CeZn{1-x}Cux"
    Physica B, 312-313, 267-268 (2002).

  15. Y. Fukai, T. Haraguchi, E. Hayashi, Y. Ishii, Y. Kurokawa, and J. Yanagawa
    "Hydrogen-induced Superabundant Vacancies and Diffusion Enhancement in some FCC Metals"
    Defect and Diffusion Forum, 194-199, 1063-1068 (2001).

  16. Y. Fukai, Y. Ishii, Y. Goto, and K. Watanabe
    "Formation of superabundant vacancies in Pd-H alloys"
    Journal of Alloys and Compounds, 313, 121-132 (2000).



- ISCOM 2007 Poster Prize（second）
High Pressure Magnetic Study on the [Pd(dmit)2] Salts

- Papers of Editer's Choice, JPSJ (2005)
  "High-Pressure Study up to 9.9 GPa of Organic Mott Insulator, β'-(BEDT-TTF)2AuCl2"