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Effect of Ba content on initial magnetization of Sr2-xBaxFeMoO6 and the structural stability under high pressure
Yu, RC; Zhao, P; Li, FY; Liu, ZX; Liu, J; Jin, CQ; Liu J(刘景)
2004
发表期刊PHYSICAL REVIEW B
卷号69期号:21页码:214405
通讯作者Chinese Acad Sci, Beijing High Pressure Res Ctr, Inst Phys, Lab Extreme Condit Phys, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
摘要Series samples of Sr2-xBaxFeMoO6 have been synthesized using conventional solid-state reaction, and the effect of Ba content on the initial magnetizations of the samples has been studied. The measured saturation magnetizations of the samples show that the degree of antisite of Fe and Mo decreases with increasing Ba content. Structural stability and electrical properties of two samples of Sr2-xBaxFeMoO6 under high pressure at room temperature have been studied using energy dispersive x-ray diffraction with synchrotron radiation and resistance and capacitance measurements. The x-ray diffraction results show that the structures of Sr2-xBaxFeMoO6 remain stable in the measured pressure range of about 0-40 GPa. The equations of state of the two samples are obtained from the V/V-0-P relationship based on the Birch-Murnaghan equation. The bulk moduli B-0 of the two samples are calculated according to the Birch-Murnaghan equation assuming that their first order derivatives B-0(') are equal to 4. The electrical resistance for the samples shows an abrupt drop at about 2.3-3.8 GPa, which might be caused by a change in the electronic structure induced by high pressure.
文章类型Article
学科领域Physics
DOI10.1103/PhysRevB.69.214405
研究领域[WOS]Physics
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语种英语
WOS类目Physics, Condensed Matter
WOS记录号WOS:000222530200054
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/241034
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Yu, RC,Zhao, P,Li, FY,et al. Effect of Ba content on initial magnetization of Sr2-xBaxFeMoO6 and the structural stability under high pressure[J]. PHYSICAL REVIEW B,2004,69(21):214405.
APA Yu, RC.,Zhao, P.,Li, FY.,Liu, ZX.,Liu, J.,...&刘景.(2004).Effect of Ba content on initial magnetization of Sr2-xBaxFeMoO6 and the structural stability under high pressure.PHYSICAL REVIEW B,69(21),214405.
MLA Yu, RC,et al."Effect of Ba content on initial magnetization of Sr2-xBaxFeMoO6 and the structural stability under high pressure".PHYSICAL REVIEW B 69.21(2004):214405.
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