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Microscopic study of anomalous metals by nuclear magnetic resonance under 10 GPa-class pressure

Research Project

Project/Area Number 20740185
Research Category

Grant-in-Aid for Young Scientists (B)

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

Principal Investigator

FUKAZAWA Hideto  Chiba University, 大学院・理学研究科, 助教 (90361443)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2009: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2008: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Keywords強相関電子系 / 高圧物性 / 鉄系超伝導 / 物性実験 / 低温物性 / 磁性
Research Abstract

High pressure apparatus was developed and studied in order to perform nuclear magnetic resonance of strongly correlated electron system under 10 GPa class pressure. Especially, newly-discovered iron-based superconductors were focused to study by nuclear magnetic resonance. In addition, possibility of nodal-line superconductivity, which was ever reported in iron-based superconductors, was indicated and reported in an iron-based superconductor KFe_2As_2.

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (27 results)

All 2010 2009 2008 Other

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (18 results) Remarks (1 results)

  • [Journal Article] Possible multiple gap superconductivity with line nodes in heavily hole-doped superconductor KFe_2As_2 studied by ^<75>As nuclear quadrupole resonance and specific heat2010

    • Author(s)
      H.Fukazawa, 他14名
    • Journal Title

      J.Phys.Soc.Jpn. 78

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Possible Multiple Gap Superconductivity with Line Nodes in Heavily Hole-Doped Superconductor KFe2As2 Studied by 75As Nuclear Quadrupole Resonance and Specific Heat2009

    • Author(s)
      H. Fukazawa, 他14名
    • Journal Title

      J. Phys. Soc. Jpn. Vol.78

    • NAID

      40016692837

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Application of Nuclear Quadrupole Resonance under 10 GPa Class Pressure at Low Temperature2009

    • Author(s)
      K. Hirayama, T. Yamazaki, H. Fukazawa, 他3名
    • Journal Title

      J. Phys: Conf. Ser. Vol.150

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] ^<75>As NMR study of Hole-Doped Superconductor Ba_<1-x>K_xFe_2As_2(T_c=38K)2009

    • Author(s)
      H. Fukazawa, 他10名
    • Journal Title

      J. Phys. Soc. Jpn 78

    • NAID

      110007138888

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Suppression of Magnetic Order by Pressure in BaFe2As22008

    • Author(s)
      H. Fukazawa, 他9名
    • Journal Title

      J. Phys. Soc. Jpn. Vol. 77

    • NAID

      130005436085

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Suppression of Magnetic Order by Pressure in BaFe_2As_22008

    • Author(s)
      H. Fukazawa, 他9名
    • Journal Title

      J. Phys. Soc. Jpn 77

    • NAID

      110006969319

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] ^<75>As NMR Study of the Ternary Iron Arsenide BaFe_2As_22008

    • Author(s)
      H. Fukazawa, 他9名
    • Journal Title

      J. Phys. Soc. Jpn 77

    • NAID

      110006933467

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Application of Nuclear Quadrupole Resonance with Mini Cubic Anvil Apparatus2008

    • Author(s)
      K. Hirayama, 他4名
    • Journal Title

      J. Phys. Soc. Jpn 77

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] 単結晶KFe_2As_2の^<75>As-NMR/NQR2010

    • Author(s)
      山田佑自, 他10名
    • Organizer
      日本物理学会第65年次大会
    • Place of Presentation
      岡山大学津島キャンパス
    • Year and Date
      2010-03-22
    • Related Report
      2009 Annual Research Report
  • [Presentation] 単結晶GdRu_4P_<12>の^<101>Ru-NQR2010

    • Author(s)
      深澤英人, 他7名
    • Organizer
      日本物理学会第65年次大会
    • Place of Presentation
      岡山大学津島キャンパス
    • Year and Date
      2010-03-21
    • Related Report
      2009 Annual Research Report
  • [Presentation] 単結晶Ba_<1-x>K_xFe_2As_2の^<75>As-NMRII2010

    • Author(s)
      近藤健二, 他9名
    • Organizer
      日本物理学会第65年次大会
    • Place of Presentation
      岡山大学津島キャンパス
    • Year and Date
      2010-03-20
    • Related Report
      2009 Annual Research Report
  • [Presentation] KFe_2As_2の単結晶育成とその物性2010

    • Author(s)
      齊藤拓, 他10名
    • Organizer
      日本物理学会第65年次大会
    • Place of Presentation
      岡山大学津島キャンパス
    • Year and Date
      2010-03-20
    • Related Report
      2009 Annual Research Report
  • [Presentation] 単結晶BaFe_2As_2の圧力効果II2010

    • Author(s)
      小林良介, 他9名
    • Organizer
      日本物理学会第65年次大会
    • Place of Presentation
      岡山大学津島キャンパス
    • Year and Date
      2010-03-20
    • Related Report
      2009 Annual Research Report
  • [Presentation] 単結晶BaFe_2As_2の圧力効果2009

    • Author(s)
      山崎岳洋, 他9名
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学黒髪キャンパス
    • Year and Date
      2009-09-28
    • Related Report
      2009 Annual Research Report
  • [Presentation] KFe_2As_2の比熱及び^<75>As-NQR2009

    • Author(s)
      山田佑自, 他12名
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学黒髪キャンパス
    • Year and Date
      2009-09-27
    • Related Report
      2009 Annual Research Report
  • [Presentation] 単結晶Ba_<1-x>K_xFe_2As_2の^<75>As-NMR2009

    • Author(s)
      近藤健二, 他9名
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学黒髪キャンパス
    • Year and Date
      2009-09-26
    • Related Report
      2009 Annual Research Report
  • [Presentation] CaFe_2As_2の一軸圧力効果2009

    • Author(s)
      齊藤拓, 他8名
    • Organizer
      日本物理学会2009年秋季大会
    • Place of Presentation
      熊本大学黒髪キャンパス
    • Year and Date
      2009-09-26
    • Related Report
      2009 Annual Research Report
  • [Presentation] ^<75>As NMR Study of Hole-doped Iron-based Superconductor Ba_<1-x>K_xFe_2As_22009

    • Author(s)
      深澤英人, 他12名
    • Organizer
      9th International Conference on Materials and Mechanisms of Superconductivity
    • Place of Presentation
      京王プラザホテル、新宿
    • Year and Date
      2009-09-09
    • Related Report
      2009 Annual Research Report
  • [Presentation] Pressure Dependence of Magnetic and Superconducting Properties in AFe_2As_2(A=Ca, and K)2009

    • Author(s)
      小堀洋, 他11名
    • Organizer
      9th International Conference on Materials and Mechanisms of Superconductivity
    • Place of Presentation
      京王プラザホテル、新宿
    • Year and Date
      2009-09-09
    • Related Report
      2009 Annual Research Report
  • [Presentation] Robust Superconductivity under High Pressure in Ba_<0.6>K_<0.4>Fe_2As_22009

    • Author(s)
      竹下直, 他9名
    • Organizer
      9th International Conference on Materials and Mechanisms of Superconductivity
    • Place of Presentation
      京王プラザホテル、新宿
    • Year and Date
      2009-09-09
    • Related Report
      2009 Annual Research Report
  • [Presentation] De Haas-van Alphen Oscillations in KFe_2As_22009

    • Author(s)
      小堀洋, 他14名
    • Organizer
      9th International Conference on Materials and Mechanisms of Superconductivity
    • Place of Presentation
      京王プラザホテル、新宿
    • Year and Date
      2009-09-09
    • Related Report
      2009 Annual Research Report
  • [Presentation] Development of Nuclear Magnetic and Quadrupole Resonance Spectroscopy under 10 GPa Class Pressure2009

    • Author(s)
      R. Kobayashi, Y. Uchida, K. Hirayama, T. Yamazaki, H. Fukazawa, 他2名
    • Organizer
      International Conference on High Pressure Science and Technology
    • Place of Presentation
      東京国際交流館、台場
    • Year and Date
      2009-07-29
    • Related Report
      2009 Final Research Report
  • [Presentation] Development of Nuclear Magnetic and Quadrupole Resonance Spectroscopy under 10GPa Class Pressure2009

    • Author(s)
      小林良介, 他6名
    • Organizer
      International Conference on High Pressure Science and Technology
    • Place of Presentation
      東京国際交流館、台場
    • Year and Date
      2009-07-29
    • Related Report
      2009 Annual Research Report
  • [Presentation] ^<75>As-NMR study of the iron pnictide Ba^<1-x>K_xFe_2As_2 under High Pressure2009

    • Author(s)
      山崎岳洋, 他11名
    • Organizer
      International Conference on High Pressure Science and Technology
    • Place of Presentation
      東京国際交流館、台場
    • Year and Date
      2009-07-28
    • Related Report
      2009 Annual Research Report
  • [Presentation] 31P-NMR, 101Ru-NQR, ・SR study of filled skutterudite TbRu4P122008

    • Author(s)
      H. Fukazawa, 他8名
    • Organizer
      国際低温会議2008
    • Place of Presentation
      オランダ・アムステルダム
    • Year and Date
      2008-08-09
    • Related Report
      2009 Final Research Report
  • [Presentation] ^<31>P_NMR ^<101>Ru-NQR, μSR study of filled skutterudite TbRu_4P_<12>2008

    • Author(s)
      H. Fukazawa, 他8名
    • Organizer
      LT25(国際低温会議2008)
    • Place of Presentation
      オランダ・アムステルダム
    • Year and Date
      2008-08-09
    • Related Report
      2008 Annual Research Report
  • [Remarks] ホームページ等

    • URL

      http://physics.s.chiba-u.ac.jp/teion/index.html

    • Related Report
      2009 Final Research Report

URL: 

Published: 2008-04-01   Modified: 2020-05-15  

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