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Local structures of Mn in dilute magnetic semiconductor ZnMnO
Xu, W; Zhou, YX; Zhang, XY; Chen, DL; Xie, YN; Liu, T; Yan, WS; Wei, SQ; Chen DL(陈栋梁); Xie YN(谢亚宁); Liu T(刘涛)
2007
发表期刊SOLID STATE COMMUNICATIONS
卷号141期号:7页码:374-377
通讯作者Fudan Univ, Dept Phys, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R China ; Fudan Univ, Synchrotron Radiat Res Ctr, Shanghai 200433, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China ; Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
文章类型Article
摘要The local structures of Mn atoms in (Zn, Mn)O have been investigated by extended x-ray absorption fine structure (EXAFS). For samples with lower Mn concentrations (< 11%), EXAFS results show that the majority of Mn atoms are incorporated at Zn substitutional sites. Ferromagnetic behavior has been observed in those ZnMnO samples. It is the direct evidence to suppose that the ferromagnetism in (Zn, Mn)O is not due to Mn-related secondary phases but is intrinsic. When the Mn concentration is increased to 20% or higher, the EXAFS simulation shows the formation of MnO secondary phases and the films show a change from ferromagnetic (FM) to antiferromagnetic (AFM) state. We suggest that Mn-related secondary phases might be responsible for the transformation from FM to AFM state. (c) 2006 Elsevier Ltd. All rights reserved.
关键词EXAFS local structure dilute magnetic semiconductor
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1016/j.ssc.2006.11.027
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Condensed Matter
WOS记录号WOS:000244423600004
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被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237223
专题多学科研究中心
加速器中心
作者单位中国科学院高能物理研究所
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Xu, W,Zhou, YX,Zhang, XY,et al. Local structures of Mn in dilute magnetic semiconductor ZnMnO[J]. SOLID STATE COMMUNICATIONS,2007,141(7):374-377.
APA Xu, W.,Zhou, YX.,Zhang, XY.,Chen, DL.,Xie, YN.,...&刘涛.(2007).Local structures of Mn in dilute magnetic semiconductor ZnMnO.SOLID STATE COMMUNICATIONS,141(7),374-377.
MLA Xu, W,et al."Local structures of Mn in dilute magnetic semiconductor ZnMnO".SOLID STATE COMMUNICATIONS 141.7(2007):374-377.
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