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Microscopic Description of Strongly Electronic Correlation Accompanied by Variation of External Parameters in Ce-and 4d-electron Superconductors

Microscopic Description of Strongly Electronic Correlation Accompanied by Variation of External Parameters in Ce-and 4d-electron Superconductors
Ce 和 4d 电子超导体中强电子相关性伴随外部参数变化的微观描述
批准号:
21540370
负责人:
KOHARA Takao
金额:
$2.91万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011

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中文摘要
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英文摘要
We tried to improve the sample-preparation of Ce-based superconductors and some interesting superconductors with 4d-electrons and to substitute some impurities for the constituent atoms in non-centrosymmetric superconductors such as CePt3Si and CeCoSi3 in the crystal structure. After that, some kinds of measurements for superconducting properties and NMR on these materials were done. As a result, some serious problems concerning quality in Ce compounds have still remained. BCS mechanisms, however, were found to be dominant in other 4d-electron systems.
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^<103> Rh NMR investigation of the superconductor Rh_<17> S_<15>
^<103>超导体Rh_<17>S_<15>的Rh NMR研究
DOI: --
发表时间: 2010
期刊: Physica C
影响因子: 1.7
作者: [T. Koyama, K. Kanda, G. Motoyama, K. Ueda, T. Mito, T. Kohara, H. Nakamura]
通讯作者: H. Nakamura
物質科学の世界
材料科学世界
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [寺本央, 小松崎民樹, 杉村高志(分著)]
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NMR Studies of Half-Heuler type compounds YbPtSb and LuPtSb
Half-Heuler型化合物YbPtSb和LuPtSb的NMR研究
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [加藤治一, 阿部真依子, 日笠美由姫, 上田光一, 世良正文, 阿部麻依子, 松村政博, 上田光一, 田中大貴, 小山岳秀, T.Koyama, 長野克昭, 小山岳秀, 近藤晃弘, T.Koyama]
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与LaPt_3Si等重电子化合物相关的超导体的比热测量
DOI: --
发表时间: 2009
期刊:
影响因子: --
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62
    Sample Preparation and NMR Study in Three Systems of Superconductors with Non-Inversion Symmetry in the Crystal Structure
    • 批准号:
      19540373
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.75万
    • 财政年份:
      2007
    • 负责人:
      KOHARA Takao
    • 依托单位:
    High pressure NMR Stucy of Unusual Magnetism and characteristic Superconductivity apperaing in Uru2Si2 and UPt3
    NMR Study of Pressure-induced Superconductivity and Pressure-induced Weak Magnetism in f-electron Systems
    • 批准号:
      12640358
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.56万
    • 财政年份:
      2000
    • 负责人:
      KOHARA Takao
    • 依托单位:
    MQR Study of Pressure induced Superconductivity in Antiferromagnetic Ce Compound.
    • 批准号:
      10640353
    • 项目类别:
      Grant-in-Aid for Scientific Research (C)
    • 资助金额:
      $2.11万
    • 财政年份:
      1998
    • 负责人:
      KOHARA Takao
    • 依托单位:
    海外基金