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2012 Fiscal Year Final Research Report

Control of electronic states by spin degrees of freedom

Planned Research

  • PDF
Project AreaNew Frontier in Materials Science Opened by Molecular Degrees of Freedom
Project/Area Number 20110004
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionNational Institute for Materials Science

Principal Investigator

UJI Shinya  独立行政法人物質・材料研究機構, 超伝導物性ユニット, ユニット長 (80344430)

Co-Investigator(Kenkyū-buntansha) OGATA Masao  東京大学, 理学系研究科, 教授 (60185501)
SEO Hitoshi  独立行政法人理化学研究所, 古崎物性理論研究室, 専任研究員 (30415054)
OSHIMA Yugo  独立行政法人理化学研究所, 加藤分子物性研究室, 専任研究員 (10375107)
Co-Investigator(Renkei-kenkyūsha) YAMAGUCHI Takahide  独立行政法人物質・材料研究機構, ナノフロンティア材料グループ, 主任研究員 (70399385)
KONOIKE Takako  東京大学, 物性研究所, 助教 (70447316)
OTSUKA Yuichi  独立行政法人理化学研究所, 計算科学研究機構・量子系物質科学研究チーム, 研究員 (30390652)
FUSEYA Yuki  電気通信大学, 大学院・情報理工学研究科, 准教授 (00377954)
YOSHIOKA Hideo  奈良女子大学, 大学院・人間文化研究科, 准教授 (40252225)
OHTA Hitoshi  神戸大学, 自然科学系先端融合研究環分子フォトサイエンス研究センター, 教授 (70194173)
ISHIHARA Sumio  東北大学, 大学院・理学研究科, 教授 (30292262)
MOTOME Yukitoshi  東京大学, 大学院・工学系研究科, 准教授 (40323274)
NISHIO Yutaka  東邦大学, 理学部, 教授 (20172629)
Project Period (FY) 2008 – 2012
Keywords有機伝導体 / 超伝導 / π-d相互作用 / 電子相制御
Research Abstract

Various layered organic conductors including both conducting π electrons in the organic layers and localized 3d electrons in the anion layers have been synthesized so far. The magnetic interaction between the π and 3d spins (π-d interaction) is known to lead to fascinating phenomena, such as field-induced superconductivity and colossal magnetoresistance. In this project, we have successfully control the π electron states via the π-d interaction and theoretically clarified the microscopic mechanism of the π-d interaction.

  • Research Products

    (13 results)

All 2013 2012 2011 2010 2009 Other

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (4 results) Book (1 results) Remarks (1 results)

  • [Journal Article] Orbital Effect on FFLO Phase and Energy Dissipation due to Vortex Dynamics in Magnetic-Field-Induced Superconductor λ-(BETS)_2FeCl_42013

    • Author(s)
      S . Uji, K. Kodama, K.Sugii, T. Terashima, T. Yamaguchi, N. Kurita, S. Tsuchiya, M. Kimata, T. Konoike, A. Kobayashi, B. Zhou, H. Kobayashi
    • Journal Title

      J. Phys. Soc. Jpn

      Volume: 82 Pages: 034715-1-8

    • DOI

      DOI: 10.7566/JPSJ.82.034715

    • Peer Reviewed
  • [Journal Article] Fluctuating Superconductivity in the Strongly Correlated Organic Superconductor κ-(BEDT-TTF)_2Cu[N(CN)_2]Br2013

    • Author(s)
      S . Tsuchiya, J. Yamada, T. Terashima, N. Kurita, K. Kodama, K. Sugii, and S. Uji
    • Journal Title

      J. Phys.Soc. Jpn.

      Volume: 82 Pages: 064711-1-5

    • DOI

      DOI: 10.7566/JPSJ.82.064711

    • Peer Reviewed
  • [Journal Article] Electronic States of Single-Component Molecular Conductors [M(tmdt)_2]2013

    • Author(s)
      H . Seo, S. Ishibashi, Y. Otsuka, H. Fukuyama, and K. Terakura
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 82 Pages: 054711-1-11

    • DOI

      DOI: 10.7566/JPSJ.82.054711

    • Peer Reviewed
  • [Journal Article] Tuning the magnetic dimensionality by charge ordering in the molecular TMTTF salts2012

    • Author(s)
      H. Yoshimi, H. Seo, S. Ishibashi, and S. E. Brown
    • Journal Title

      Phys. Rev. Lett.

      Volume: 108 Pages: 096402-1-5

    • DOI

      DOI:10.1103/PhysRevLett.108.096402

    • Peer Reviewed
  • [Journal Article] Breakdown of the Field-Induced Superconductivity by Dynamical Spin Reversal2012

    • Author(s)
      Y. Oshima, H. Nojiri, S. Uji, J. S. Brooks, T. Tokumoto, H.-B. Cui, R. Kato, A. Kobayashi, and H. Kobayashi
    • Journal Title

      Phys. Rev. B

      Volume: 86 Pages: 024525-1-7

    • DOI

      DOI:10.1103/PhysRevB.86.024525

    • Peer Reviewed
  • [Journal Article] Theory of mechanism of π-d interaction in iron-phthalocyanine2012

    • Author(s)
      H . Matsuura, M. Ogata, K. Miyake, and H. Fukuyama
    • Journal Title

      J. Phys. Soc. Jpn.

      Volume: 81 Pages: 104705-1-8

    • DOI

      DOI: 10.1143/JPSJ.81.104705

    • Peer Reviewed
  • [Journal Article] Density-of-State Oscillation of Quasiparticle Excitation in the Spin Density Wave Phase of (TMTSF)_2ClO_42010

    • Author(s)
      S . Uji, M. Kimata, S. Moriyama, J. Yamada, D. Graf, and J. S. Brooks
    • Journal Title

      Phys. Rev. Lett.

      Volume: 105 Pages: 267201-1-4

    • DOI

      DOI:10.1103/PhysRevLett.105.267201

    • Peer Reviewed
  • [Presentation] スピン液体の理論2012

    • Author(s)
      小形正男
    • Organizer
      日本物理学会チュートリアル講演
    • Place of Presentation
      横浜国立大学
    • Year and Date
      20120918-21
  • [Presentation] FFLO phase in magnetic-field-induced superconductivity of λ-(BETS)_2FeCl_42012

    • Author(s)
      S . Uji
    • Organizer
      The 10th International Conference on Materials and Mechanisms of Superconductivity (M^2S-X)
    • Place of Presentation
      Washington DC, USA
    • Year and Date
      20120729-0803
  • [Presentation] Metal-Insulator Transition Mechanism in pi-d correlated molecular conductors2011

    • Author(s)
      Y. Oshima
    • Organizer
      Workshop on the Development of Functionalized Molecule-based Magnetic Materials
    • Place of Presentation
      Sendai (Japan)
    • Year and Date
      20110912-13
  • [Presentation] 分子性導体の電荷秩序と誘電性2010

    • Author(s)
      妹尾仁嗣
    • Organizer
      日本物理学会第65回年次大会企画講演
    • Place of Presentation
      岡山大学
    • Year and Date
      2010-03-21
  • [Book] "分子性導体における電荷・スピン・格子結合現象の理論的研究"、動的構造解析技術と非平衡物質開発の最前線、腰原伸也監修2009

    • Author(s)
      妹尾仁嗣
    • Total Pages
      174-184
    • Publisher
      シーエムシー出版
  • [Remarks]

    • URL

      http://www.mdf.t.u-tokyo.ac.jp/index.html

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Published: 2014-08-29   Modified: 2014-09-05  

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