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Effect of Mn doping on the structural, optical, and magnetic properties of In2O3 films
Wang, SQ; An, YK; Duan, LS; Liu, HR; Liu, JW; Wu, ZH;吴忠华
2013
发表期刊JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
卷号31期号:6页码:61515
摘要(In1-xMnx)(2)O-3 films were grown by radio frequency-magnetron sputtering technique. Effect of Mn doping on the structural, optical, and magnetic properties of films is investigated systematically. The detailed structure analyses suggest that Mn ions substitute for In3+ sites of the In2O3 lattice in the valence of +2 states, and Mn-related secondary phases or clusters as the source of ferromagnetism is safely ruled out. All films show typical room temperature ferromagnetism. The saturation magnetization M-s increases first, and then decreases, while carrier concentration n(c) decreases monotonically with Mn doping, implying that the ferromagnetism is not directly induced by the mediated carriers. The optical bandgap E-g of films decreases monotonically with the increase of Mn concentration, and there exists a linear functional dependence between E-g and n(c)(2/3), which is consistent with Burstein-Moss shift arguments. It can be concluded that the ferromagnetic order in Mn-doped In2O3 films is intrinsic, arising from Mn atoms substitution for the In sites of In2O3 lattice. The oxygen vacancies play a mediation role on the ferromagnetic couplings between the Mn ions. (C) 2013 American Vacuum Society.
学科领域Materials Science; Physics
DOI10.1116/1.4824163
收录类别SCI
WOS记录号WOS:000327253900040
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被引频次:2[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/311005/224568
专题多学科研究中心
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Wang, SQ,An, YK,Duan, LS,et al. Effect of Mn doping on the structural, optical, and magnetic properties of In2O3 films[J]. JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A,2013,31(6):61515.
APA Wang, SQ,An, YK,Duan, LS,Liu, HR,Liu, JW,&Wu, ZH;吴忠华.(2013).Effect of Mn doping on the structural, optical, and magnetic properties of In2O3 films.JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A,31(6),61515.
MLA Wang, SQ,et al."Effect of Mn doping on the structural, optical, and magnetic properties of In2O3 films".JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A 31.6(2013):61515.
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