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Fabrication of a steady-load control system for NMR under high pressure and application to strongly correlated systems

Research Project

Project/Area Number 17340107
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics II
Research InstitutionKyoto University

Principal Investigator

FUJIWARA Naoki  Kyoto University, 大学院・人間・環境学研究科, 准教授 (60272530)

Co-Investigator(Kenkyū-buntansha) UWATOKO Yoshiya  東京大学, 物性研究所, 准教授 (40213524)
Project Period (FY) 2005 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥16,200,000 (Direct Cost: ¥15,300,000、Indirect Cost: ¥900,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2007: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2006: ¥5,300,000 (Direct Cost: ¥5,300,000)
Fiscal Year 2005: ¥7,000,000 (Direct Cost: ¥7,000,000)
Keywords高温超伝導 / 高圧測定 / 核磁気共鳴 / 強相関電子系 / 高圧 / NMR / 酸化物 / 超伝導 / 金属絶縁体転移 / 梯子格子物質 / 圧力誘起超伝導
Research Abstract

ピストンシリンダー型圧力セルにおいて4万気圧まで至達することに成功した。このセルを用いて圧力下で最適条件となる鉄砒素系高温超伝導体LaFeAsO_<1-x>F_xや、梯子格子銅酸化物Sr_2Ca_<12>Cu_<24>O_<41>のNMR測定を行い、超伝導転移点T_Cが高圧下で上昇する機構を解明した。

Report

(5 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (60 results)

All 2009 2008 2007 2006 2005 Other

All Journal Article (26 results) (of which Peer Reviewed: 8 results) Presentation (29 results) Book (3 results) Remarks (2 results)

  • [Journal Article] NMR and NQR study of pressure-induced superconductivity and the origin of critical-temperature enhancement in the spin-ladder cuprate Sr2Ca12Cu24O412009

    • Author(s)
      N. Fujiwara, S. Uchida, Y. Uwatoko, et. al.
    • Journal Title

      Phy.Rev. B80

      Pages: 100503-100503

    • NAID

      120001700242

    • Related Report
      2008 Final Research Report
  • [Journal Article] Local electric properties of ss-Ag0.133V2O5 studied by 51V NMR2009

    • Author(s)
      A. Hisada, N. Fujiwara, et. al.
    • Journal Title

      Journal of Phys.Soc.Jpn. 78

      Pages: 94705-94705

    • Related Report
      2008 Final Research Report
  • [Journal Article] 75As-NMR studies on LaFeAsO1-xFx (x-0.14) under a pressure of 3GPa2009

    • Author(s)
      K. Tatsumi, N. Fujiwara, et. al.
    • Journal Title

      Journal of Phys.Soc.Jpn 78

      Pages: 23709-23709

    • NAID

      130005437323

    • Related Report
      2008 Final Research Report
  • [Journal Article] 75_<As-NMR> studies on LaFeAsO_<1-x>F_x (x-0.14) under a pressure of 3GPa2009

    • Author(s)
      K. Tatsumi, N. Fujiwara, et. al.
    • Journal Title

      Journal of Phys. Soc. Jpn 78

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spin ordering of 3d1 electrons shared within rungs in ladder-type vanadate ss-Ag0.33V2O5 : Nuclear magnetic resonance and zero-field resonance measurements2008

    • Author(s)
      A. Hisada, N. Fujiwara, Y. Uwatoko, et. al.
    • Journal Title

      Phys.Rev. B78

      Pages: 12402-12402

    • Related Report
      2008 Final Research Report
  • [Journal Article] Spin gap of a pressure-induced superconductor Sr2Ca12Cu24 O41 at an optimum pressure of 3.8GPa2008

    • Author(s)
      N. Fujiwara, Y. Uwatoko, et. al.
    • Journal Title

      Journal of Physics and Chemistry of Solids 69

      Pages: 3171-3171

    • Related Report
      2008 Final Research Report
  • [Journal Article] Fabrication of a NiCrAl Pressure Cell and the application to a Two-leg ladder Compound Sr2Ca12Cu24O42008

    • Author(s)
      N. Fujiwara, Y. Uwatoko, et. al.
    • Journal Title

      Journal of Physics 121

      Pages: 122004-122004

    • Related Report
      2008 Final Research Report
  • [Journal Article] Fabrication of a NiCrAl Pressure Cell and the application to a Two-leg ladder Compound Sr_2Ca_<12>Cu_<24>O_<41>2008

    • Author(s)
      N. Fujiwara, et. al.
    • Journal Title

      Journal of Physics 121

      Pages: 122004-122007

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spin gap of a pressure-induced superconductor Sr_2Ca_<12>Cu_<24>O_<41> at an optimum pressure of 3.8GPa2008

    • Author(s)
      N. Fujiwara, et. al.
    • Journal Title

      Journal of Physics and Chemistry of Solids 69

      Pages: 3171-3173

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spin ordering of 3d^1 electrons shared within rungs in ladder-type vanadate Ag_<1/3>V_2O_5 : Nuclear magnetic resonance and zero-field resonance measurements2008

    • Author(s)
      Hisada, N. Fujiwara, et. al.
    • Journal Title

      Phys. Rev. B 78

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pressure effect on nuclear quadrupole resonance and ruby fluorescence in a NiCrAl pressure cell2007

    • Author(s)
      N. Fujiwara, Y. Uwatoko, et. al.
    • Journal Title

      Journal of Physics : Condensed Matter 19

      Pages: 425203-425203

    • Related Report
      2008 Final Research Report
  • [Journal Article] Pressure efficiency of a NiCrAl pressure cell measured by NQR and Ruby fluorescence2007

    • Author(s)
      N. Fujiwara, Y. Uwatoko, et. al.
    • Journal Title

      Journal of Phys.Soc.Japan 76

    • Related Report
      2008 Final Research Report
  • [Journal Article] Fabrication and Efficiency Evaluation of a Hybrid NiCrAl Pressure cell up to 4 GPa2007

    • Author(s)
      N. Fujiwara, Y. Uwatoko, et. al.
    • Journal Title

      Review of Scientific Instruments 78

      Pages: 73905-73905

    • NAID

      120006645297

    • Related Report
      2008 Final Research Report
  • [Journal Article] NMR studies in quasi-1D pressure -induced superconductor ss-A0.33V2O52007

    • Author(s)
      A. Hisada, N. Fujiwara, Y. Uwatoko, et. al.
    • Journal Title

      Journal of Magnetism & Magnetic Materials 310

      Pages: 893-893

    • Related Report
      2008 Final Research Report
  • [Journal Article] Fabrication and Efficiency Evaluation of a Hybrid NiCrAl Pressure cell up to 4 GPa2007

    • Author(s)
      N. Fujiwara
    • Journal Title

      Review of Scientific Instruments 78

    • NAID

      120006645297

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pressure effect on nuclear quadrupole resonance and ruby fluorescence in a NiCrAl pressure cell2007

    • Author(s)
      N. Fujiwara
    • Journal Title

      Journal of Physics: Condensed Matter, 19(2007)425203 19

      Pages: 425203-425207

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] NMR studies in quasi-1D pressure-induced superconductor β-A_<0.33>V_2O_52007

    • Author(s)
      A. Hisada
    • Journal Title

      Journal of Magnetic Material & Magnetizm 310

      Pages: 893-894

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Pressure efficiency of a NiCrAl pressure cell measured by NQR and Ruby fluorescence2007

    • Author(s)
      N. Fujiwara
    • Journal Title

      Journal of Phys. Soc. Japan, 76 Suppl. A 210(2007) 76

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Electrical resistivity and tunneling anomalies in CeCuAs22005

    • Author(s)
      EV. Sampathkumaran, N. Fujiwara, Y. Uwatoko, et. al.
    • Journal Title

      Physica B-Condensed Matter 359

      Pages: 108-108

    • Related Report
      2008 Final Research Report
  • [Journal Article] Superconductivity and spin gap in the spin-ladder cuprate, Sr2Ca12Cu24O41,2005

    • Author(s)
      N. Fujiwara, Y. Uwatoko, et. al.
    • Journal Title

      Physica B-Condensed Matter 359

      Pages: 430-430

    • Related Report
      2008 Final Research Report
  • [Journal Article] Pressure-induced superconductivity in the spin-ladder cuprate2005

    • Author(s)
      N. Fujiwara, Y. Uwatoko, et. al.
    • Journal Title

      Journal of Physics-Condensed Matter 17

    • Related Report
      2008 Final Research Report
  • [Journal Article] Origin of critical-temperature enhancement of an iron-based high-Tc superconductor

    • Author(s)
      T. Nakano, N. Fujiwara, et. al.
    • Journal Title

      NMR study under high pressure

      Pages: 909-318

    • Related Report
      2008 Final Research Report
  • [Journal Article] 75As-Nuclear Magnetic Relaxation on LaFeAsO1-xFx under Pressure

    • Author(s)
      N. Fujiwara, et. al.
    • Journal Title

      Physica C

    • Related Report
      2008 Final Research Report
  • [Journal Article] Superconductivity of LaFeAsO1-xFx under high pressure studied using NMR

    • Author(s)
      N. Fujiwara, et. al.
    • Journal Title

      Journal of Physics

    • Related Report
      2008 Final Research Report
  • [Journal Article] Nuclear magnetic relaxation in a quasi-one-dimmensional conductor ss-Ag0.33V2O5

    • Author(s)
      A. Hisada, N. Fujiwara, et. al.
    • Journal Title

      Journal of Physics

    • Related Report
      2008 Final Research Report
  • [Journal Article] Fabrication of a barrel-type Bridgman anvil cell

    • Author(s)
      A. Hisada, N. Fujiwara, N. Mari
    • Journal Title

      Journal of Physics

    • Related Report
      2008 Final Research Report
  • [Presentation] 75As-Nuclear Magnetic Relaxation on LaFeAsO1-xFx under Pressure2009

    • Author(s)
      N. Fujiwara
    • Organizer
      M2S
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2009-09-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Super-conductivity of LaFeAsO1-xFx under high pressure studied using NMR2009

    • Author(s)
      N. Fujiwara
    • Organizer
      ICM 2009
    • Place of Presentation
      Karlsruhe, German
    • Year and Date
      2009-07-27
    • Related Report
      2008 Final Research Report
  • [Presentation] LaFeAsO_<1-x>F_x(x=0.14)の高圧下NMR2009

    • Author(s)
      辰巳健一郎(修士2回生)
    • Organizer
      日本物理学会
    • Place of Presentation
      立教大学
    • Year and Date
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] LaFeAsO_<1-x>F_x (x=0.08)の高圧下を含むAs核NMR2009

    • Author(s)
      中野達也(修士1回生)
    • Organizer
      日本物理学会
    • Place of Presentation
      立教大学
    • Year and Date
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] 8GPa級NMR用小型ブリッジマンアンビル装置の開発2009

    • Author(s)
      久田旭彦(博士3年)
    • Organizer
      日本物理学会
    • Place of Presentation
      立教大学
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] 銅酸化物圧力誘起超伝導体12-24-41系における3-4万気圧下微小磁場での核磁気共鳴2008

    • Author(s)
      藤原直樹
    • Organizer
      日本物理学会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-22
    • Related Report
      2008 Annual Research Report
  • [Presentation] LaOFFeAs系超伝導体の高圧下(3万気圧級) NMR (インフォーマルミーティング)2008

    • Author(s)
      藤原直樹
    • Organizer
      日本物理学会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] 75As-NMR studies on LaFeAs01-xFx under a pressure of 3GPa2008

    • Author(s)
      N. Fujiwara
    • Organizer
      ISAQM
    • Place of Presentation
      Tokyo, Japan
    • Related Report
      2008 Final Research Report
  • [Presentation] 擬一次元圧力誘起超伝導体β-Ag0.33V2O5の核磁気共鳴測定による磁気構造解析2007

    • Author(s)
      久田旭彦
    • Organizer
      日本物理学会
    • Place of Presentation
      北海道大学
    • Year and Date
      2007-09-21
    • Related Report
      2007 Annual Research Report
  • [Presentation] 定荷重4万気圧NMR装置の開発とスピンラダー系圧力誘起超伝導体Sr_2Ca_<12>Cu_<24>O_<41>への適用2007

    • Author(s)
      藤原直樹
    • Organizer
      日本物理学会
    • Place of Presentation
      鹿児島大学
    • Year and Date
      2007-03-19
    • Related Report
      2007 Annual Research Report
  • [Presentation] Fabrication of a NiCrAl Pressure Cell and the application to a Two-Leg Ladder Compound Sr2Ca72Cu24O412007

    • Author(s)
      N. Fujiwara
    • Organizer
      AIRAPT
    • Place of Presentation
      Catania, Italy
    • Related Report
      2008 Final Research Report
  • [Presentation] Spin gap of a pressure-induced superconductor Sr2Ca72 Cu24O41 at an optimum pressure of 3.8 GPa2007

    • Author(s)
      N. Fujiwara
    • Organizer
      ICSNS
    • Place of Presentation
      Sendai, Japan
    • Related Report
      2008 Final Research Report
  • [Presentation] Pressure effect on NQR and ruby rescence in a NiCrAl pressure cell2006

    • Author(s)
      N. Fujiwara
    • Organizer
      ACHPR
    • Place of Presentation
      Lijiang, China
    • Year and Date
      2006-10-16
    • Related Report
      2008 Final Research Report
  • [Presentation] Pressure efficiency of a NiCrAl pressure cell measured by NQR and Ruby fluorescence2006

    • Author(s)
      N. Fujiwara
    • Organizer
      ICM Satellite Workshop
    • Place of Presentation
      Fukuoka, Japan
    • Year and Date
      2006-08-26
    • Related Report
      2008 Final Research Report
  • [Presentation] 高圧下におけるLaFeAsO1-xFx (x=0.05) のAs核NMR

    • Author(s)
      中野達也, 辰巳健一郎, 藤原直樹, 他
    • Organizer
      2009年秋の分科会
    • Related Report
      2008 Final Research Report
  • [Presentation] LaFeAsOの高圧下NMR

    • Author(s)
      辰巳健一郎, 中野達也, 藤原直樹, 他
    • Organizer
      2009年秋の分科会
    • Related Report
      2008 Final Research Report
  • [Presentation] 小型ブリッジマンアンビル装置を用いたNMR/NQR

    • Author(s)
      久田旭彦, 藤原直樹
    • Organizer
      2009年秋の分科会
    • Related Report
      2008 Final Research Report
  • [Presentation] LaFeAsO1-xFx (x=0.08) の高圧下を含むAs核NMR

    • Author(s)
      中野達也, 藤原直樹, 他
    • Organizer
      2009年春の年会
    • Related Report
      2008 Final Research Report
  • [Presentation] LaFeAsO1-xFx (x=0.14) の高圧 (3万気圧) 下NMR

    • Author(s)
      辰巳健一郎, 藤原直樹, 他
    • Organizer
      2009年春の年会
    • Related Report
      2008 Final Research Report
  • [Presentation] 8GPa級NMR用小型ブリッジマンアンビル装置の開発

    • Author(s)
      久田旭彦, 藤原直樹
    • Organizer
      2009年春の年会
    • Related Report
      2008 Final Research Report
  • [Presentation] 銅酸化物圧力誘起超伝導体12-24-41系における3-4万気圧下, 微小磁場での核磁気極共鳴

    • Author(s)
      藤原直樹, 他
    • Organizer
      2008年秋の分科会
    • Related Report
      2008 Final Research Report
  • [Presentation] 擬一次元圧力誘起超伝導体・-Ag0.33V2O5の高圧下NMR

    • Author(s)
      久田旭彦, 藤原直樹, 上床美也, 他
    • Organizer
      2008年春の年会
    • Related Report
      2008 Final Research Report
  • [Presentation] 梯子格子銅酸化物Sr2Ca12Cu24O41の圧力下核四重極共鳴

    • Author(s)
      藤原直樹, 上床美也, 他
    • Organizer
      2008年春の年会
    • Related Report
      2008 Final Research Report
  • [Presentation] 定荷重4万気圧NMR装置の開発とスピンラダー系圧力誘起超伝導体Sr2Ca12Cu24041への適

    • Author(s)
      藤原直樹, 上床美也, 他
    • Organizer
      2007年秋の分科会
    • Related Report
      2008 Final Research Report
  • [Presentation] 擬一次元圧力誘起超伝導体・-Ag0.33V2O5の核磁気共鳴測定による磁気構造解析

    • Author(s)
      久田旭彦, 藤原直樹, 上床美也, 他
    • Organizer
      2007年春の年会
    • Related Report
      2008 Final Research Report
  • [Presentation] 梯子格子銅酸化物14-24-41系の4万気圧でのスピンギャッ

    • Author(s)
      藤原直樹, 上床美也, 他
    • Organizer
      2007年春の年会
    • Related Report
      2008 Final Research Report
  • [Presentation] 擬一次元圧力誘起超伝導体・-AgV6O15の圧力下NMR

    • Author(s)
      久田旭彦, 藤原直樹, 上床美也, 他
    • Organizer
      2006年秋の分科会
    • Related Report
      2008 Final Research Report
  • [Presentation] 擬一次元圧力誘起超伝導体・-Ag0.33V2O5の常圧でのNMR

    • Author(s)
      久田旭彦, 藤原直樹, 上床美也, 他
    • Organizer
      2006年春の年会
    • Related Report
      2008 Final Research Report
  • [Presentation] NiCrAl高圧セルの4万気圧までの圧力効率測定 : ルビー蛍光法とCu2OのNQR

    • Author(s)
      藤原直樹, 上床美也, 他
    • Organizer
      2006年高圧討論会
    • Related Report
      2008 Final Research Report
  • [Book] 固体物理(4GPa (4万気圧) 発生を目指したハイブリッド式NiCrAl圧力セルの製作と発生圧力決定法)2007

    • Author(s)
      藤原直樹, 上床美也, 他
    • Total Pages
      613
    • Related Report
      2008 Final Research Report
  • [Book] 磁気測定-NMR (酸化物)(「高圧ハンドブック」毛利信男編)2007

    • Author(s)
      藤原直樹, 他
    • Publisher
      丸善
    • Related Report
      2008 Final Research Report
  • [Book] 固体物理2007

    • Author(s)
      藤原 直樹
    • Total Pages
      7
    • Publisher
      アグネ出版社
    • Related Report
      2007 Annual Research Report
  • [Remarks]

    • URL

      http://www.fujiwara.h.kyoto-u.ac.jp/Epaper.html

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.fujiwara.h.kyoto-u.ac.jp/

    • Related Report
      2007 Annual Research Report

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Published: 2005-04-01   Modified: 2020-05-15  

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