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2012 Fiscal Year Final Research Report

Investigation of novel quantum states in actinide-based compounds with unstable valence

Research Project

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Project/Area Number 20224015
Research Category

Grant-in-Aid for Scientific Research (S)

Allocation TypeSingle-year Grants
Research Field Condensed matter physics II
Research InstitutionNagoya University

Principal Investigator

SATO Noriaki  名古屋大学, 理学研究科, 教授 (30170773)

Co-Investigator(Kenkyū-buntansha) AMITSUKA Hiroshi  北海道大学, 理学研究院, 教授 (40212576)
YAMAMURA Tomoo  東北大学, 金属材料研究所, 准教授 (20281983)
HAGA Yoshinori  日本原子力研究開発機構, 先端基礎研究センター, 研究主幹 (90354901)
SHIKAMA Tatsuo  東北大学, 金属材料研究所, 教授 (30196365)
Co-Investigator(Renkei-kenkyūsha) ASO Naofumi  琉球大学, 理学部, 准教授 (40313118)
KANBE Shinsaku  日本原子力研究開発機構, 先端基礎研究センター, 研究主幹 (40224886)
HONMA Yoshiya  東北大学, 金属材料研究所, 助教 (00260448)
FUJIMORI Shinichi  日本原子力研究開発機構, 量子ビーム応用研究部門, 主任研究員 (70343936)
YAMAGAMI Hiroshi  京都産業大学, 理学部, 教授 (20239867)
Project Period (FY) 2008 – 2012
Keywordsアクチノイド / 重い電子系 / 磁性 / 超伝導
Research Abstract

The main purpose of this project is to establish a base institute for the study on the actinide physics. For this purpose, we constructed a tetra-arc furnace at Laboratory of alpha-Ray Emitters, Insitute for Materials Research, Tohoku University, for the single crystal growth of uranium-based materials, and set up commercial equipmentsfor the measurements of the physical properties of grown single crystals as well. Furthermore, we opened a new avenue of research on novel phenomena that will be related to valence instability in both 4f and 5f electron systems including quasicrystals.

  • Research Products

    (25 results)

All 2013 2012 2011 2010 Other

All Journal Article (15 results) (of which Peer Reviewed: 14 results) Book (2 results) Remarks (5 results) Patent(Industrial Property Rights) (3 results)

  • [Journal Article] Γ_3-Type Lattice Instability and the Hidden Order of Uru_2Si_2by Precise dc MagnetizationMeasurements2013

    • Author(s)
      T. Yanagisawa 他9名
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 82 Pages: 013601-1-5

    • Peer Reviewed
  • [Journal Article] Band Structure and Fermi Surface of Upd_3 Studied by Soft x-Ray Angle-Resolved PhotoemissionSpectroscopy2013

    • Author(s)
      I. Kawasaki, S. Fujimori, Y. Takeda, T. Okane, A. Yasui, Y. Saitoh, H. Yamagami, Y. Haga, E. Yamamoto, and Y. Onuki
    • Journal Title

      Phys. Rev.

      Volume: B 87 Pages: 075142-1-6

    • Peer Reviewed
  • [Journal Article] Quantum critical state in a magnetic quasicrystal2012

    • Author(s)
      K. Deguchi, S. Matsukawa, N.K. Sato, T. Hattori, K. Ishida, H. Takakura and T. Ishimasa
    • Journal Title

      Nature Materials

      Volume: 11 Pages: 1013-1016

    • Peer Reviewed
  • [Journal Article] Superconductivity Induced by Longitudinal Ferromagnetic Fluctuations in UCoGe2012

    • Author(s)
      T. Hattori, Y. Ihara, Y. Nakai, K. Ishida, Y. Tada, S. Fujimoto, N. Kawakami, E. Osaki, K. Deguchi, N. K. Sato, and I. Satoh
    • Journal Title

      Phys. Rev. Lett.

      Volume: 108 Pages: 66403-1-4

    • Peer Reviewed
  • [Journal Article] Observation of an Unusual Magnetic Anomaly in the Superconducting Mixed State of Heavy-Fermion Compound UBe13by Precise dc Magnetization Measurements2012

    • Author(s)
      Y. Shimizu, Y. Haga, Y. Ikeda, T.Yanagisawa, and H. Amitsuka
    • Journal Title

      Phys. Rev. Lett.

      Volume: 109 Pages: 217001-1-5

    • Peer Reviewed
  • [Journal Article] Cyclotron Resonance in the Hidden-Order Phase of Uru_2Si_22012

    • Author(s)
      S. Tonegawa 他11名
    • Journal Title

      Phys. Rev. Lett.

      Volume: 106 Pages: 36401-1-4

    • Peer Reviewed
  • [Journal Article] Observation of two fine structures related to the hidden order in the spectral functions of Uru_2Si_22012

    • Author(s)
      R. Yoshida 他9名
    • Journal Title

      Phys. Rev.

      Volume: B 85 Pages: 241102

    • Peer Reviewed
  • [Journal Article] Non-Fermi Liquid State Bounded by a Possible Electronic Topological Transition in ZrZn_22012

    • Author(s)
      N. Kabeya, H. Maekawa, K. Deguchi, N.Kimura, H. Aoki, and N. K. Sato
    • Journal Title

      J. Phys. Soc. Jpn

      Volume: 81 Pages: 07370-1-4

    • Peer Reviewed
  • [Journal Article] ウラン電池からバナジウム固体塩電池(VSSB)へ2012

    • Author(s)
      山村朝雄
    • Journal Title

      放射化学ニュース

      Volume: 24 Pages: 61-66

  • [Journal Article] Discontinuous Transition from a Real Bound State to Virtual Bound State in a Mixed-Valence State of SmS2011

    • Author(s)
      K. Imura, S.Kanematsu, K. Matsubayashi,H. S Suzuki, K. Deguchi, N. K Sato
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 80 Pages: 113704-1-4

    • Peer Reviewed
  • [Journal Article] Rotational Symmetry Breaking in the Hidden-Order Phase of Uru_2Si_22011

    • Author(s)
      R. Okazaki, T. Shibauchi, H.J. Shi, Y. Haga, T.D. Matsuda, E. Yamamoto, Y. Onuki, H. Ikeda and Y. Matsuda
    • Journal Title

      Science

      Volume: 331 Pages: 439-442

    • Peer Reviewed
  • [Journal Article] ^Co-Nuclear Quadrupole Resonance and Nuclear Magnetic Resonance Studies on YCoGe-Comparison between YCoGe and UCoGe2011

    • Author(s)
      Science
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 80 Pages: 64711

    • Peer Reviewed
  • [Journal Article] Anisotropic magnetic fluctuations in the ferromagnetic superconductor UCoGe studied by direction-dependent ^Co NMR measurements2010

    • Author(s)
      Y. Ihara 他7名
    • Journal Title

      Phys. Rev. Lett.

      Volume: 105 Pages: 206403-1-4

    • Peer Reviewed
  • [Journal Article] Absence of Meissner State and Robust Ferromagnetism in the Superconducting State of UCoGe: Possible Evidence of Spontaneous Vortex State2010

    • Author(s)
      K. Deguchi, E. Osaki, S. Ban, N. Tamura,Y. Simura, T. Sakakibara, I. Satoh and N. K. Sato
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 79 Pages: 083708-1-4

    • Peer Reviewed
  • [Journal Article] Microscopic Coexistence of Ferromagnetism and Superconductivity in Single-Crystal UCoGe2010

    • Author(s)
      T. Ohta 他7名
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 79 Pages: 023707-1-4

    • Peer Reviewed
  • [Book] 磁性と超伝導の物理-重い電子系の理解のために2013

    • Author(s)
      佐藤憲昭 ・ 三宅和正
    • Total Pages
      390
    • Publisher
      名古屋大学出版会
  • [Book] 宇宙史を物理学で読み解く-素粒子から物質・生命まで-2010

    • Author(s)
      佐藤憲昭(分担執筆), 福井康雄 監修、飯島徹・杉山直・平島大・伊藤繁 編
    • Total Pages
      174-184
    • Publisher
      名古屋大学出版会
  • [Remarks] ホームページ

    • URL

      http://mlbp.phys.nagoya-u.ac.jp/

  • [Remarks] 1. 準結晶に関する記事朝日新聞および中日新聞、2012年10月8日

  • [Remarks] 2.UCoGeに関する記事中日新聞、2012年2月7日 他2紙

  • [Remarks] 3. UCoGeに関する記事科学新聞、2010年3月5日

  • [Remarks] 4. URu2Si2に関する記事日刊工業新聞、平成23年1月28日 他3紙

  • [Patent(Industrial Property Rights)] バナジウムレドックス電池及びその運転方法2013

    • Inventor(s)
      山村朝雄, 坂本清志, 吉田茂樹
    • Industrial Property Rights Holder
      ブラザー工業(株)
    • Industrial Property Number
      2013-073613
    • Filing Date
      2013-03-29
  • [Patent(Industrial Property Rights)] 固体活物質を含むバナジウム電池2012

    • Inventor(s)
      山村朝雄
    • Industrial Property Rights Holder
      東北大学
    • Industrial Property Number
      2012-038057号
    • Filing Date
      2012-02-23
  • [Patent(Industrial Property Rights)] 電池及びその方法2012

    • Inventor(s)
      山村朝雄, 佐藤伊佐務
    • Industrial Property Rights Holder
      東北大学
    • Industrial Property Number
      2012-007125号
    • Filing Date
      2012-01-17

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Published: 2014-08-29  

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