Local Mn structure and room temperature ferromagnetism in Mn-doped In2O3 films
An, YK; Wang, SQ; Duan, LS; Liu, JW; Wu, ZH;吴忠华
刊名APPLIED PHYSICS LETTERS
2013
卷号102期号:21页码:212411
学科分类Physics
DOI10.1063/1.4808116
英文摘要Local Mn structure, magnetic, and transport properties in Mn-doped In2O3 films were investigated systematically. The detailed structural analysis and multiple-scattering calculations reveal that Mn2+ ions substitute for In3+ sites of the In2O3 lattice and form Mn-In(2+) + VO complex with the O vacancy in the nearest coordination shell. All films show clear room temperature ferromagnetism and Mott variable range hopping transport behavior. The saturation magnetization of films increases first, and then decreases with Mn doping, while carrier concentration n(c) decreases monotonically, implying that the ferromagnetism is not mediated by the charge carriers. These results provide strong evidence that oxygen vacancies play an important role in activating the ferromagnetic interactions in Mn-doped In2O3 films. (C) 2013 AIP Publishing LLC.
收录类别SCI
WOS记录号WOS:000320620400050
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被引频次:20[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/311005/224672
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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An, YK,Wang, SQ,Duan, LS,et al. Local Mn structure and room temperature ferromagnetism in Mn-doped In2O3 films[J]. APPLIED PHYSICS LETTERS,2013,102(21):212411.
APA An, YK,Wang, SQ,Duan, LS,Liu, JW,&Wu, ZH;吴忠华.(2013).Local Mn structure and room temperature ferromagnetism in Mn-doped In2O3 films.APPLIED PHYSICS LETTERS,102(21),212411.
MLA An, YK,et al."Local Mn structure and room temperature ferromagnetism in Mn-doped In2O3 films".APPLIED PHYSICS LETTERS 102.21(2013):212411.
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