Investigation of the electronic structure of heavy fermion superconductor under high pressure

2010 Fiscal Year Final Research Report

• Project/Area Number: 21740256
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Condensed matter physics II
• Research Institution: Osaka University
• Principal Investigator: HONDA Fuminori Osaka University, 大学院・理学研究科, 助教 (90391268)
• Project Period (FY): 2009 – 2010
• Keywords: 強相関電子係 / 高圧物性 / 重い電子系超伝導

Research Abstract

In rare-earth and actinide compounds, various kinds of electronic ground states such as magnetic ordering, heavy fermion, and unconventional superconductivity are realized as a result of the competition between the RKKY interaction and the Kondo effect. In this research, electronic properties of several Ce- and Yb- compounds are investigated under high pressure, high magnetic field, and low temperature. Physical properties of pressure induced heavy fermion superconductors such as CePtSi_2, CeRhGe_2, and CePd_5Al_2 as well as a non-centrosymmetric compound CeIrGe_3 have been investigated. It is also found that YbIr_2Zn_<20> exhibits an extremely heavy fermion state under high pressure near the quantum critical point.

Research Products

• [Journal Article] Magnetic and Superconducting Properties of CeRhGe_2 and CePtSi_2 (2011)
  • Author(s): Y.Hirose, N.Nishimura, F.Honda, K.Sugiyama, M.Hagiwara, K.Kindo, T.Takeuchi, E.Yamamoto, Y.Haga, M.Matsuura, K.Hirota, A.Yasui, H.Yamagami, R.Settai, Y.Onuki
  • Journal Title: J.Phys.Soc.Jpn. 80 No.1 Pages: 024711(12)
  • Peer Reviewed
• [Journal Article] Strong Field Quenching of the Quasiparticle Effective Mass in Heavy Fermion Compound YbCo_2Zn_20 (2010)
  • Author(s): Masahiro Ohya, Masaki Matsushita, Shingo Yoshiuchi, Tetsuya Takeuchi, Fuminori Honda, Rikio Settai, Toshiki Tanaka, Yasunori Kubo, Yoshichika Onuki
  • Journal Title: J.Phys.Soc.Jpn. 79 No.8 Pages: (4)083601
  • Peer Reviewed
• [Journal Article] Quantum Critical Phenomena in Heavy Fermion Compound YbIr_2Zn_20 (2010)
  • Author(s): Fuminori Honda, Shinichi Yasui, Shingo Yoshiuchi, Tetsuya Takeuchi, Rikio Settai, Yoshichika Onuki
  • Journal Title: J.Phys.Soc.Jpn. 79 No.8 Pages: (4)083709
  • Peer Reviewed
• [Journal Article] Metamagnetic Behavior in Heavy-Fermion Compound YbIr_2Zn_20 (2010)
  • Author(s): Tetsuya Takeuchi, Shinichi Yasui, Masatoshi Toda, Masaki Matsushita, Shingo Yoshiuchi, Masahiro Ohya, Keisuke Katayama, Yusuke Hirose, Naohisa Yoshitani, Fuminori Honda, Kiyohiro Sugiyama, Masayuki Hagiwara, Koichi Kindo, Etsuji Yamamoto, Yoshinori Haga, Toshiki Tanaka, Yasunori Kubo, Rikio Settai, Yoshichika Onuki
  • Journal Title: J.Phys.Soc.Jpn. 79 No.6 Pages: 064609(15)
  • Peer Reviewed
• [Journal Article] Heavy fermion state and quantum criticality (2010)
  • Author(s): Y.Onuki, R.Settai, F.Honda, N.D.Dung, T.Ishikura, T.Takeuchi, T.D.Matsuda, N.Tateiwa, A.Nakamura, E.Yamamoto, Y.Haga, D.Aoki, Y.Homma, H.Harima, H.Yamagami
  • Journal Title: Physica B 405 Issue 9 Pages: 2194-2199
  • Peer Reviewed
• [Journal Article] Pressure-induced superconductivity and large upper critical field in the noncentrosymmetric antiferromagnet CeIrGe_3 (2010)
  • Author(s): F.Honda, I.Bonalde, K.Shimizu, S.Yoshiuchi, Y.Hirose, T.Nakamura, R.Settai, Y.Onuki
  • Journal Title: Physical Review B.(HIGHLIGHTED ARTICLESとして【Editor's Suggestion】に選定) 81 Pages: 140507(R).
  • Peer Reviewed
• [Journal Article] Low-Temperature Magnetic Orderings and Fermi Surface Properties of LaCd11, CeCd11, and PrCd11 with a Caged Crystal Structure (2010)
  • Author(s): Shingo Yoshiuchi, Tetsuya Takeuchi, Masahiro Ohya, Keisuke Katayama, Masaki Matsushita, Naohisa Yoshitani, Naoto Nishimura, Hisashi Ota, Naoyuki Tateiwa, Etsuji Yamamoto, Yoshinori Haga, Hiroshi Yamagami, Fuminori Honda, Rikio Settai, Yoshichika Onuki
  • Journal Title: J.Phys.Soc.Jpn. 79 No.4 Pages: 044601(11)
  • Peer Reviewed
• [Journal Article] Magnetic and Fermi Surface Properties of CePd_5Al_2 and PrPd_5Al_2 (2010)
  • Author(s): Y.Nakano, F.Honda, T.Takeuchi, K.Sugiyama, M.Hagiwara, K.Kindo, E.Yamamoto, Y.Haga, R.Settai, H.Yamagami, Y.Onuki
  • Journal Title: J.Phys.Soc.Jpn. 79 No.2 Pages: 024702(9)
  • Peer Reviewed
• [Journal Article] Heavy Fermion State in YbIr_2Zn_20 (2009)
  • Author(s): S.Yoshiuchi, M.Toda, M.Matsushita, S.Yasui, Y.Hirose, M.Ohya, K.Katayama, F.Honda, K.Sugiyama, M.Hagiwara, K.Kindo, T.Takeuchi, E.Yamamoto, Y.Haga, R.Settai, T.Tanaka, Y.Kubo, Y.Onuki
  • Journal Title: J.Phys.Soc.Jpn. 78 No.12 Pages: 123711(4)
  • Peer Reviewed
• [Journal Article] Magnetic Properties of RCoGe_3 (R : Ce, Pr and Nd) and Strong Anisotropy of the Upper Critical Field in Non-centrosymmetric Compound CeCoGe_3 (2009)
  • Author(s): M.-a.Measson, H.Muranaka, T.Kawai, Y.Ota, Kiyohiro S., M.Hagiwara, K.Kindo, T.Takeuchi, K.Shimizu, F.Honda, R.Settai, Y.Onuki
  • Journal Title: J.Phys.Soc.Jpn. 78 No.12 Pages: 124713(10)
  • Peer Reviewed
• [Presentation] Novel superconductivity and heavy electron states under high quality single crystals and high-pressure techniques (2010)
  • Author(s): F.Honda
  • Organizer: 5th Asian Conference on High Pressure Research
  • Place of Presentation: 島根県松江市くにびきメッセ
  • Year and Date: 20101107-20101112
• [Presentation] Effect of pressure on the metamagnetism in YbIr_2Zn_20 (2010)
  • Author(s): F.Honda
  • Organizer: International Conference on Heavy Electrons 2010 (ICHE2010)
  • Place of Presentation: 首都大学東京南大沢キャンパス講堂
  • Year and Date: 20100917-20100920
• [Presentation] Effect of pressure on the metamagnetism in YbIr_2Zn_20-a new tuning parameter for quantum criticality (2010)
  • Author(s): F.Honda
  • Organizer: Kick-off conference on Pressure effects on Materials (ICMR2010)
  • Place of Presentation: University of California, Santa Barbara
  • Year and Date: 20100823-20100830
• [Presentation] CeRhGe_2の圧力誘起超伝導 (2010)
  • Author(s): 広瀬雄介, 本多史憲, 他14名
  • Organizer: 日本物理学会第65回年次大会
  • Place of Presentation: 岡山大学
  • Year and Date: 20100320-20100323
• [Presentation] 圧力下磁気抵抗測定によるYbIr_2Zn_20 のメタ磁性 (2010)
  • Author(s): 安井慎一, 松下昌輝, 大家政洋, 吉内伸吾, 本多史憲, 他4名
  • Organizer: 日本物理学会第65回年次大会
  • Place of Presentation: 岡山大学
  • Year and Date: 20100320-20100323
• [Presentation] 超高圧下におけるYbIr_2Zn_20の磁性と伝導 (2010)
  • Author(s): 本多史憲, 安井慎一, 吉内伸吾, 竹内徹也, 摂待力生, 大貫惇睦
  • Organizer: 日本物理学会2010年秋季大会
  • Place of Presentation: 日大阪府立大学中百舌鳥キャンパス
  • Year and Date: 2010-09-23
• [Presentation] CeRhGe_2の磁性と圧力誘起超伝導 (2009)
  • Author(s): 広瀬雄介, 本多史憲, 他14名
  • Organizer: 日本物理学会2009年秋季大会
  • Place of Presentation: 熊本大学
  • Year and Date: 20090925-20090928
• [Presentation] CeRhGe_3とCeIrGe_3の純良単結晶育成と圧力誘起超伝導 (2009)
  • Author(s): ボナルデイスマルド,本多史憲, 他6名
  • Organizer: 日本物理学会2009年秋季大会
  • Place of Presentation: 熊本大学
  • Year and Date: 20090925-20090928
• [Presentation] Pressure-induced Superconductivity in Non-centrosymmetric Compound CeIrGe_3 (2009)
  • Author(s): Fuminori Honda
  • Organizer: 9th International Conference on Materials and Mechanisms of Superconductivity(Selections from New Superconductors)
  • Place of Presentation: Keio Plaza Hotel, Tokyo, Japan(セッションでの口頭発表)
  • Year and Date: 20090907-20090912
• [Presentation] Pressure-induced superconductivity in CePd_5Al_2 and CeRhGe_2 (2009)
  • Author(s): F.Honda
  • Organizer: International Conference on Quantum Criticality and Novel Phases
  • Place of Presentation: Max Planck Institute for Chemical Physics of Solids, Dresden, Germany
  • Year and Date: 20090802-20090805
• [Presentation] Pressure-induced superconductivity in f-electron systems : CePd_5Al_2, CeNiGe_3 and CeRhGe_2 (2009)
  • Author(s): F.Honda
  • Organizer: International Conference on High Pressure Science and Technology
  • Place of Presentation: Tokyo International Exchange Center, Odaiba, Tokyo
  • Year and Date: 20090726-20090731