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Competition of multi-degrees of freedom and multicriticality in strongly correlated electron systems.

Competition of multi-degrees of freedom and multicriticality in strongly correlated electron systems.
强相关电子系统中多自由度和多临界性的竞争。
批准号:
21340105
负责人:
KATSUFUJI Takuro
金额:
$11.32万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
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 discovered new systems in which two different ordered states are competing and those produce a multicritical point : Ba^<1-x> Sr^xV^<13> O^1 and La^5M^<o4> O^<16>, and we found characteristic physical properties produced by the multicriticality in these systems. Furthermore, we clarified the critical enhancement of both spin and orbital fluctuation in MnV^2O^4 by means of thermal conductivity measurement with applied magnetic field. We also clarified the electronic phase separation in perovskite manganites by means of electron diffraction measurement including the Lorentz electron microscope technique.
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DOI: --
发表时间: 2011
期刊: Phys.Rev.B
影响因子: --
作者: [K.Kobayashi, T.Katsufuji]
通讯作者: T.Katsufuji
Thermal conductivity of spinel MnV^2O^4 with doping
掺杂尖晶石MnV^2O^4的热导率
DOI: --
发表时间: 2012
期刊:
影响因子: --
作者: [佐藤弘樹, 他, T. Katsufuji]
通讯作者: T. Katsufuji
DOI: --
发表时间: 2011
期刊: Phys. Rev. B
影响因子: --
作者: [M.Eto, K.Kasamatsu, M.Nitta, H.Takeuchi, M.Tsubota, K. Kobayashi and T. Katsufuji]
通讯作者: K. Kobayashi and T. Katsufuji
Charge-gap formation in the insulating states of AV10015 (A=Ba, Sr)
AV10015 绝缘状态下的电荷间隙形成(A=Ba、Sr)
DOI: 10.1103/physrevb.85.085106
发表时间: 2012
期刊: Physical Review B
影响因子: 3.7
作者: [M.Hoshino, et al]
通讯作者: et al
30
    Novel orbital states, domain structures, and the control of them by external fields in transition-metal oxides
    • 批准号:
      19340102
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $8.65万
    • 财政年份:
      2007
    • 负责人:
      KATSUFUJI Takuro
    • 依托单位:
    海外基金