Lattice distortion and its role in the magnetic behavior of the Mn-doped ZnO system
Zhang LJ(张林娟); Zhang, LJ; Li, J; Du, YP; Wang, JQ; Wei, XJ; Zhou, J; Cheng, J; Chu, WS; Jiang, Z; Huang, YY; Yan, CH; Zhang, S; Wu, ZY; Zhou J(周靖); Chu WS(储旺盛); Wu ZY(吴自玉)
刊名NEW JOURNAL OF PHYSICS
2012
卷号14页码:13033
学科分类Physics
DOI10.1088/1367-2630/14/1/013033
英文摘要Puzzling 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.
收录类别SCI
WOS记录号WOS:000300413000003
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被引频次:9[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/311005/224481
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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Zhang LJ,Zhang, LJ,Li, J,et al. Lattice distortion and its role in the magnetic behavior of the Mn-doped ZnO system[J]. NEW JOURNAL OF PHYSICS,2012,14:13033.
APA 张林娟.,Zhang, LJ.,Li, J.,Du, YP.,Wang, JQ.,...&吴自玉.(2012).Lattice distortion and its role in the magnetic behavior of the Mn-doped ZnO system.NEW JOURNAL OF PHYSICS,14,13033.
MLA 张林娟,et al."Lattice distortion and its role in the magnetic behavior of the Mn-doped ZnO system".NEW JOURNAL OF PHYSICS 14(2012):13033.
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