CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Lattice distortion and its role in the magnetic behavior of the Mn-doped ZnO system
Zhang, Linjuan; Li, Jiong; Du, Yaping; Wang, Jianqiang(王建强); Wei, Xiangjun(魏向军); Zhou, Jing; Cheng, Jie; Chu, Wangsheng; Jiang, Zheng(姜政); Huang, Yuying; Yan, Chunhua; Zhang, Shuo; Wu, Ziyu
2012
Source PublicationNEW JOURNAL OF PHYSICS
ISSN1367-2630
Volume14
AbstractPuzzling magnetic data on the Zn1-xMnxO system such as a small magnetization values or a large negative values of the Curie-Weiss temperature have been obtained in many experimental investigations. Here we report element-specific structural and magnetic investigations on a high-quality Zn0.95Mn0.05O nanocrystalline sample. Combining low-temperature x-ray absorption spectroscopy and theoretical simulations, we show that the formation of substitutional spin-antiparallel pairs induces a large local distortion involving a contraction of the Mn-Mn distance and a reduced Mn-O-Mn bond angle. The first-principles calculation considering hole-doping reveals that such a distortion can result in a localized hole around a dopant atom, generating a ferrimagnetic ordering with a magnetization of 0.45 mu(B)/Mn. This result may give a new insight for a better understanding of the reported magnetic data.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000300413000003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/12906
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Zhang, Linjuan,Li, Jiong,Du, Yaping,et al. Lattice distortion and its role in the magnetic behavior of the Mn-doped ZnO system[J]. NEW JOURNAL OF PHYSICS,2012,14.
APA Zhang, Linjuan.,Li, Jiong.,Du, Yaping.,Wang, Jianqiang.,Wei, Xiangjun.,...&Wu, Ziyu.(2012).Lattice distortion and its role in the magnetic behavior of the Mn-doped ZnO system.NEW JOURNAL OF PHYSICS,14.
MLA Zhang, Linjuan,et al."Lattice distortion and its role in the magnetic behavior of the Mn-doped ZnO system".NEW JOURNAL OF PHYSICS 14(2012).
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