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2010 Fiscal Year Final Research Report

Interplay of Charge ordered state and superconductivity in organic conductors

Research Project

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Project/Area Number 21740244
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Condensed matter physics II
Research InstitutionThe University of Tokyo

Principal Investigator

KONDO Ryusuke  The University of Tokyo, 大学院・総合文化研究科, 助教 (60302824)

Project Period (FY) 2008 – 2010
Keywords有機導体 / 電荷秩序相 / 超伝導
Research Abstract

To investigate the interplay of charge ordered insulating state and superconductivity (Metallic phase), electronic and structural properties of α-, θ-, and β"-type organic conductors were studied under hydrostatic pressure and uniaxial strain. We found two cases ; I) a metallic phase having strong charge fluctuation located neighboring the charge ordered insulating phase (COI), and II) a charge ordered metallic state existed between COI and the metallic phase.

  • Research Products

    (13 results)

All 2011 2010 2009 2001 Other

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (6 results) Remarks (1 results)

  • [Journal Article] Interplay of charge-density waves and superconductivity in the organic cinductor β"-(BEDT-TTF)_2AuBr_22010

    • Author(s)
      R.Kondo M.Higa, S.Kagoshima, N.Hanasaki, Y.Nogami, H.Nishikawa
    • Journal Title

      Phhys.Rev 81

      Pages: 024519

    • Peer Reviewed
  • [Journal Article] Ultrafast photo-induced insulator-to-metal transition in the spin density wave system of (TMTSF)_2PF_62010

    • Author(s)
      S.Watanabe, R.Kondo S.Kagoshima R.Shimano
    • Journal Title

      Physica B 40

      Pages: S360-S362

    • Peer Reviewed
  • [Journal Article] Electronic states of organic quasi-two dimensional conductor β"-(DODHT)_2PF_6 : Charge ordering and superconductivity2010

    • Author(s)
      M.Higa, R.Kondo, A.Murata, S.Kagoshima, H.Nishikawa, K.Yakushi
    • Journal Title

      Physica B 405

      Pages: S17

    • Peer Reviewed
  • [Journal Article] Observation of ultrafast photoinduced closing and recovery of the spin-density-wave gap in (TMTSF)_2PF_62009

    • Author(s)
      S.Watanabe, R.Kondo, S.Kagoshima, R.Shimano
    • Journal Title

      Phys.Rev.B 80

      Pages: 220408(R)

    • Peer Reviewed
  • [Journal Article] Effects of Hydrostatic Pressure and Uniaxial Strain on SpinPeierls Transition in an Organic Radical Magnet, BBDTA・InCl_42009

    • Author(s)
      M.Mito, S.Kawagoe, H.Deguchi, S.Takagi, W.Fujita, K.Awaga, R.Kondo S.Kagoshima
    • Journal Title

      J.Phys.Soc.Jpn 78

      Pages: 124705

    • Peer Reviewed
  • [Journal Article] Crystal and Electronic Structures of the Quasi-Two-Dimensional Organic Conductor α-(BEDT-TTF)_2I_3 and Its Selenium Analogue α-(BEDT-TSeF)_2I_3 under Hydrostatic Pressure at Room Temperature2009

    • Author(s)
      R.Kondo, S.Kagoshima, N.Tajima, R.Kato
    • Journal Title

      J.Phys.Soc.Jpn 78

      Pages: 114714

    • Peer Reviewed
  • [Presentation] θ-(BEDTTTF)_2CsZn(SCN)_4の一軸圧縮下における電子状態;^<13>C-NMR研究III2011

    • Author(s)
      高橋遼平, 矢澤美穂, 千葉亮, 開康一, 高橋利宏, 山本浩史, 近藤隆祐, 鹿児島誠一
    • Organizer
      日本物理学会第66回年次大会(中止)
    • Place of Presentation
      新潟大学
    • Year and Date
      2011-03-25
  • [Presentation] β"-(DODHT)_2PF_6の電荷秩序と超伝導2010

    • Author(s)
      近藤隆祐, 鹿児島誠一, 山本薫, 薬師久弥, 西川浩之
    • Organizer
      日本物理学会2010年秋季大会
    • Place of Presentation
      大阪府大
    • Year and Date
      2010-09-23
  • [Presentation] θ型有機導体の一軸性圧縮下交流伝導度測定2010

    • Author(s)
      近藤隆祐, 鹿児島誠一
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      2010-03-20
  • [Presentation] β"型有機導体の電荷ゆらぎ相の電子物性(II)2009

    • Author(s)
      近藤隆祐, 比嘉百夏, 村田淳, 鹿児島誠一, 西川浩之
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学
    • Year and Date
      2009-09-25
  • [Presentation] 一軸性圧縮下θ-(BEDTTTF)_2CsZn(SCN)_4の構造変調2001

    • Author(s)
      近藤隆祐, 鹿児島誠一, 熊井玲児, 中尾朗子, 谷本由衣, 野上由夫, 澤博
    • Organizer
      日本物理学会第66回年次大会(中止)
    • Place of Presentation
      新潟大学
    • Year and Date
      2001-03-25
  • [Presentation] (TMTCF)_2XのCDW/COのX線放射光観察12001

    • Author(s)
      野上由夫, 戸田敦基, 近藤隆祐, 花咲徳亮, 神戸高志, 中尾朗子
    • Organizer
      日本物理学会第66回年次大会(中止)
    • Place of Presentation
      新潟大学
    • Year and Date
      2001-03-25
  • [Remarks] ホームページ等 なし

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Published: 2012-02-13   Modified: 2016-04-21  

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