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Origin of large magneto-electric effect in multiferroic compound RMn2O5

Origin of large magneto-electric effect in multiferroic compound RMn2O5
多铁性化合物RMn2O5中大磁电效应的起源
批准号:
21244051
负责人:
NODA Yukio
金额:
$5.49万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (A)
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
The purpose of the present study is to reveal the origin of the large magneto-electric effect in multiferroic compounds RMn2O5 using magnetic and crystal structure analysis. In order to perform this investigation, we developed the technique of high-pressure neutron magnetic structure analysis and the super accurate crystal structure analysis using synchrotron x-ray. Furthermore, we developed a large two-dimensional neutron detector (2DPSD)to perform rapid and effective neutron experiments. As a result, we have discovered new type magnetic structure accompanied by the ferroelectric phase. In addition, we determined the space group of the ferroelectric phase of YMn2O5.
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DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [福永守, 藤山聖, 木村宏之, 野田幸男, 平賀晴弘]
通讯作者: 平賀晴弘
YMn^<4+>(Mn^<3+>_<1-x>Ga^<3+>_x)O_5におけるスピンカイラリティと分極
YMn^<4+>(Mn^<3+>_<1-x>Ga^<3+>_x)O_5 中的自旋手性和极化
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [脇本秀一, 木村宏之, 福永守, 坂本勇馬, 加倉井和久, 野田幸男]
通讯作者: 野田幸男
The Validity of Neutron Magnetic and Crystal Structure Analysis Using Single Crystals on Material Science
使用单晶进行中子磁学和晶体结构分析在材料科学中的有效性
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [Y. Hiraoka, Y. Tanaka, S. Shin, Y. Wakabayashi, and T. Kimura, Y. Noda]
通讯作者: Y. Noda
Magnetic and Dielectric Property in Multiferroic YMn^<4+>(Mn_<1-x> Ga_x)^<3+> O_5
多铁性YMn^<4>(Mn_<1-x>Ga_x)^<3>O_5的磁性和介电性能
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [Y. Sakamoto, H. Kimura, S. Horio, A. Fey, M. Fukunaga, R. Kiyanagi, Y. Noda, and H. Haruhiro]
通讯作者: and H. Haruhiro
46
    Visualization of magnetic moment and d-electron orbital using J-PARCneutron
    • 批准号:
      23654110
    • 项目类别:
      Grant-in-Aid for Challenging Exploratory Research
    • 资助金额:
      $2.33万
    • 财政年份:
      2011
    • 负责人:
      NODA Yukio
    • 依托单位:
    Microscopic origin of the simultaneous ferroelectric and magnetic phase transition of RMn_2O_5
    • 批准号:
      16340096
    • 项目类别:
      Grant-in-Aid for Scientific Research (B)
    • 资助金额:
      $10.11万
    • 财政年份:
      2004
    • 负责人:
      NODA Yukio
    • 依托单位:
    Development of Neutron 4-circle Diffractometer for studies of Structural Phase Transition
    Role of electron distribution of H and D atoms in hydrogen bond
    • 批准号:
      05640373
    • 项目类别:
      Grant-in-Aid for General Scientific Research (C)
    • 资助金额:
      $1.22万
    • 财政年份:
      1993
    • 负责人:
      NODA Yukio
    • 依托单位:
    海外基金