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Development of Magnetic Measurement under Ultra-High Pressure

Research Project

Project/Area Number 09554043
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section展開研究
Research Field 機能・物性・材料
Research InstitutionThe University of Tokyo

Principal Investigator

AWAGA Kunio  The Univ.of Tokyo, Grad.School of Arts and Sci.Associate Professor, 大学院・総合文化研究科, 助教授 (10202772)

Co-Investigator(Kenkyū-buntansha) FUJITA Wataru  The University of Tokyo, Graduate School of Arts and Sciences, Assistant, 大学院・総合文化系研究科, 助手 (50292719)
Project Period (FY) 1997 – 1998
Project Status Completed (Fiscal Year 1998)
Budget Amount *help
¥12,200,000 (Direct Cost: ¥12,200,000)
Fiscal Year 1998: ¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1997: ¥9,900,000 (Direct Cost: ¥9,900,000)
KeywordsHigh Pressure / Magnetic Measurement / Milecular Magnetism / 超高法 / ダイアモンドアンビルセル / ファラディ法
Research Abstract

The magnetic measurements under high pressure are useful and important for the study of molecular/organic ferromagnetism, which is one of current interest. The pressure dependence of the ferromagnetic behavior gives us microscopic information about the ferromagnetic interaction and, in some cases, about the magnetic ordering. In this project, we have developed a Faraday magnetic susceptibility measurement system suitable for this purpose. In addition, we have obtained unusual effects of high pressure on several molecular magnets.

Report

(3 results)
  • 1998 Annual Research Report   Final Research Report Summary
  • 1997 Annual Research Report
  • Research Products

    (21 results)

All Other

All Publications (21 results)

  • [Publications] T.Sekine et al.: "Obgenation of Spontaneous Magnetization in the Layered…" Inovg.Chem.37. 2129-2133 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] T.Otsuka et al.: "Crystal Structure and Magnetic Properties of Acid-Base…" J.Mater.Chem.8. 1157-1164 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] N.Robertson et al.: "[TTF]_2〔Fe(tdas)_2〕 : A Molecular Conductaor Containing…" Adv.Mater.Opt.Electron. 8. 93-96 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] W.Fujita et al.: "Photoisomerization of Azobenzene Derivatives…" Mol.Cryst.Lig.Cryst.315. 29-34 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] K.Awaga et al.: "High Pressure Ettects on a Manganese Hexacyano…" Chem.Phys.Lett.293. 352-356 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] T.Sekine, et al.: "Observation of Spontaneous Magnetization in the Layered Perovskite Ferromagnet, (p-Chloroanilinium) 2CuBr4" Inorg.Chem.37. 2129-2133 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] T.Otsuka, et al.: "Crystal Structures and Magnetic Properties of Acid-Base Molecular Compounds, (p-Pyridyl Nitronylnitroxide) 2X (X=Hydroquinone, Fumaric Acid, and Squaric Acid)" J.Mater.Chem.8. 1157-1164 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] N.Robertson, et al.: "[TTF] _2 [Fe (tdas) _2] : A Molecular Conductor Containing Magnetic Couter-ions" Adv.Mater.Opt.Election. 8. 93-96 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] W.Fujita and K.Awaga: "Photoisomerism of Azobenzene Derivatives in Layered Magnetic Materials" Mol.Cryst.Liq.Cryst.315. 29-34 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] K.Agawa: "High-Pressure Effects on a Manganese Hexacyanomanganate Ferrimagnet with T_N=29 K" Chem.Phys.Lett.293. 352-356 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] T.Sekine et al.: "Observation of Spontaneous Magnetization in the Layered…" Inorg.Chem.37. 2129-2133 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] T.Otsuka et al.: "Crystal Structure and Magnetic Properties of Acid-Base…" J.Mater.Chem.8. 1157-1164 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] N.Robertson et al.: "[TTF]_2[Fe(tdas)_2]: A Molecular Conductor Containing…" Adv.Mater.Opt.Electron. 8. 93-96 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] W.Fujita et.al.: "Photoisomerization of Azobenzene Derivatives…" Mol.Cryst.Liq.Cryst.315. 29-34 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] K.Awaga et al.: "High Pressure Effects on a Manganese Hexacyano…" Chem.Phys.Lett.293. 352-356 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] W.Fujita: "EXAFS Study of the Structural Modifications Induced into the Du_2(OH)_3 layer by Interlayer-Alkylcarboxylate" Inorg.Chem. 36. 196-199 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] N.Wada: "Observation of Spin-Gap State in Two-Dimensional Spin-1 Kagome Antiferromagnet m-MPYNN-BF_4" J.Phys.Soc.Japan. 66. 961-964 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] W.Fujita: "Reversible Structural Transformation and Drastic Magnetic Change in a Copper Hydroxides Intercalation Compound" J.Am.Chem.Soc.119. 4563-4564 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] K.Awaga: "Unusual Crystal Structures and Magnetic Propertied of Nitronylnitroxide Radical Ions" Synth.Metals. 85. 1643-1646 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] H.Imai: "Ferromagnetic Interaction between Nitronyl Nitroxide Radical Cations in a Semicondunting Salt" Synth.Metals. 85. 1705-1706 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] T.Origuchi: "Ferromagntic Linear Chain of p-NPNN-Cu(hfac)_2 with Enhanced Interchain Interaction" Mol.Cryst.Lig.Cryst.296. 281-292 (1997)

    • Related Report
      1997 Annual Research Report

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Published: 1997-04-01   Modified: 2016-04-21  

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