Pressure effects on magnetic and elastic properties in Au4Mn ordered alloy
Pressure effects on magnetic and elastic properties in Au4Mn ordered alloy
批准号:
23560788
负责人:
MARUYAMA Hiroshi
金额:
$3.41万
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:
2011
资助国家:
日本
项目状态:
已结题
起止时间:
2011 至 2013
中文摘要
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英文摘要
An isomorphic phase transition in MnAu4 ordered alloy has been observed at the transition pressure Pc=10 GPa at room temperature for the first time. Although the crystal symmetry is kept the MoNi4-type superlattice over the measured pressure up to 20 GPa, the pressure effect on Au magnetic moment changes a sign from positive to negative around Pc, and the elastic properties, e.g. compressibility, c/a ratio, bulk modulus, are also clearly modified. These peculiar phenomena should be ascribed to a strong magneto-elastic interaction of Mn(3d)-Au(5d) electrons and a rotational displacement of Au atoms under high pressure.
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Au4Mn規則合金の高温高圧下電気抵抗測定による磁気相転移の研究
高温高压下电阻测量Au4Mn有序合金磁相变研究
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[H.Maruyama, N.Ishimatsu, K.Matsumoto, M.Mizumaki and N.Kawamura, 後藤利典,石松直樹,圓山裕, 後藤利典,石松直樹,圓山裕]
通讯作者:
後藤利典,石松直樹,圓山裕
Au4Mn規則合金のキュリー温度と同型構造相転移の圧力効果
压力对Au4Mn有序合金居里温度和同构相变的影响
DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
[後藤利典,石松直樹,圓山裕,河村直己,水牧仁一朗, 後藤利典,石松直樹,藤井香奈子,圓山裕, 後藤利典,石松直樹,藤井委香奈子,圓山裕]
通讯作者:
後藤利典,石松直樹,藤井委香奈子,圓山裕
A Magnetic EXAFS Study under High Pressure
高压下的磁性 EXAFS 研究
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[H.Maruyama, N.Ishimatsu, K.Matsumoto, M.Mizumaki and N.Kawamura]
通讯作者:
M.Mizumaki and N.Kawamura
「Au_4Mn規則合金の磁気相転移と電子状態の圧力効果」
《Au_4Mn有序合金中的磁相变和电子态压力效应》
DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
[後藤利典,石松直樹,圓山裕,河村直己,水牧仁一朗]
通讯作者:
後藤利典,石松直樹,圓山裕,河村直己,水牧仁一朗
「Au_4Mn規則合金のキュリー温度と同型構造相転移の圧力効果」
《压力对Au_4Mn有序合金居里温度和同构相变的影响》
DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
[後藤利典,石松直樹,圓山裕,河村直己,水牧仁一朗, 後藤利典,石松直樹,藤井香奈子,圓山裕]
通讯作者:
後藤利典,石松直樹,藤井香奈子,圓山裕
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