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The X-ray Study of the Field Induced Spin Density Wave State in TMTSF based

Research Project

Project/Area Number 09304041
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field 固体物性Ⅱ(磁性・金属・低温)
Research InstitutionOKAYAMA UNIVERSITY

Principal Investigator

OSHIMA Kokichi  Faculty of Science, Okayama University, Professor, 理学部, 教授 (10114414)

Co-Investigator(Kenkyū-buntansha) MACHIDA Kazushige  Faculty of Science, Okayama University, Professor, 理学部, 教授 (50025491)
NOGAMI Yoshio  Faculty of Science, Okayama University, Associate Professor, 理学部, 助教授 (10202251)
Project Period (FY) 1997 – 1999
Project Status Completed (Fiscal Year 1999)
Budget Amount *help
¥4,800,000 (Direct Cost: ¥4,800,000)
Fiscal Year 1999: ¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1998: ¥2,900,000 (Direct Cost: ¥2,900,000)
KeywordsField Induced Spin Wave / Organic Superconductors / X-ray Structure Analysis / TMTSF System / DMET-TSeF System / 低温X線構造解析 / 有機伝導体 / ホール効果 / DCNQI系 / TTM-TTP系 / 準一次元系
Research Abstract

In these 3 years, we have obtained following results.
1. The low temperature X-ray measurements in the high magnetic fields have been performed.
2. New experimental results in DMET-TSeF system which is similar to the TMTSF have been obtained. Especially, the international collaborations have been accomplished in the high field measurements.
3. Theoretical investigations have been performed on the high field phase of the FISDW state of TMTSF systems using an extended standard theory considering anion potentials.
A few of the present works have been already published, especially on the experimental techniques which are inevitable in our study.
We have found peculiar and characteristic properties in the FISDW states of DMET-TSeF based compounds which are (DMET-TSeF)ィイD22ィエD2AuCLィイD22ィエD2 and (DMET-TSeF) ィイD22ィエD2AuIィイD22ィエD2. The results on the Hall effect in the high field regime using hybrid-magnets are completely different among each other. The results indicate that the sliding effect in the FISDW state is more important in the DMET-TSeF system than in the TMTSF system.

Report

(4 results)
  • 1999 Annual Research Report   Final Research Report Summary
  • 1998 Annual Research Report
  • 1997 Annual Research Report
  • Research Products

    (21 results)

All Other

All Publications (21 results)

  • [Publications] K. Oshima, et al.: "High field Hall effect in (DMET-TSeF) 2AuCl2"Synthetic Metals. 103. 1917-1918 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] K. Oshima: "Anisotropy and Superconductivity in the DMET-TSeF System"Journal of Superconductivity. 12・4. 532-534 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] N. Biskup, J.S. Brooks, R. Kato and K. Oshima: "Quantum Oscillations in (DMET-TSeF) 2AuCl2"Physical Review B. 60. R15005-R15008 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] N. Biskup, J.S. Brooks, R. Kato and K. Oshima: "Angular magnetoresistance in the (DMET-TSeF) 2X family : FISDW and commensurability effects"Physical Review B (in press). (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] 野上由夫,大嶋孝吉: "低次元有機錯体の低温・高圧下構造測定"日本結晶学会誌. 41. 48-56 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] K. Kishigi & K. Machida: "Theory of the High Field phase in (TMTSF) 2C104 under Anion Ordering"Journal of the Physical Society of Japan. 66. 2969-2972 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] K. Oshima, T. Sasaki, M. Motokawa, S. Aonuma and R. Kato: "High field Hall effect in (DMET-TSeF) 2AuC12"Synthetic Metals. 103. 1917-1918 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] K. Oshima: "Anisotropy and Superconductivity in the DMET-TSeF System"Journal of Superconductivity. 12. 532-534 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] N. Biskup, J. S. Brooks, R. Kato and K. Oshima: "Quantum Oscillations in (DMET-TSeF) 2AuCl2"Physical Review. B60. R15005-R15008 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] N. Biskup, J. S. Brooks, R. Kato and K. Oshima: "Angular magnetoresistance in the (DMET-TSeF) 2X family : FISDW and commensurability effects"Physical Review Brief Report. B61 (in press). (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Y. Nogami, K. Oshima: "X-ray measurements in low temperatures and high pressures on low dimensional organic conductors (in Japanese)"Journal of the Crystallographic Society of Japan. 41. 48-56 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] K. Kishigi and K. Machida: "Theory of the High Field Phases in (TMTSF) 2C104 under Anion Ordering"Journal of Physical Society of Japan. 66. 2969-2972 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] K.Oshima et al.: "High field Hall effect in (DMET-TSeF)2AuCl2"Synthetic Metals. 103. 1917-1918 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] K.Oshima: "Anisotropy and Superconductivity in the DMET-TSeF System"Journal of Superconductivity. 12・4. 532-534 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] N.Biskup,J.S.Brooks,R.Kato and K.Oshima: "Quantum Oscillations in (DMET-TSeF)2AuCl2"Physical Review B. 60. R15005-R15008 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] N.Biskup,J.S.Brooks,R.Kato and K.Oshima: "Angular magnetoresistance in the (DMET-TSeF)2X family : FISDW and commensurability effects"Physical Review B. (in press). (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] 野上由夫,大嶋孝吉: "低次元有機錯体の低温・高圧下構造測定"日本結晶学会誌. 41. 48-56 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] K.Oshima 他: "High Field Hall Effect in (DMET-TSeF)_2 AuCl_2" Synthetic Metals. (in press). (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] Y.Nogami 他: "X-ray structural Study of 4Rf Superlattie in (DIDCNQI)_2 Ag" Synthetic Metals. (in press). (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] Y.Nogami 他: "High Pressure Strucutures of Orgaric Loco Dimensional Conducter DCNQI" Reo.High Press.Sci.Technol.7. 404-406 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] 大嶋孝吉: "(DMET-TSeF)_2AuCl_2の強磁場ホール効果" 日本物理学会講演概要集. 53・1. (1998)

    • Related Report
      1997 Annual Research Report

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Published: 1998-04-01   Modified: 2020-05-15  

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