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1. chinaXiv:201703.00554 [pdf]

Oxygen vacancy induced ferromagnetism in un-doped ZnO thin films

Peng Zhan; Weipeng Wang; Can Liu; Yang Hu; Zhengcao Li; Zhengjun Zhang; Peng Zhang; Baoyi Wang; Xingzhong Cao
Subjects: Physics >> Condensed Matter: Structural, Mechanical and Thermal Properties

ZnO films became ferromagnetic when defects were introduced by thermal annealing in flowing argon. This ferromagnetism, as shown by the photoluminescence measurement and positron annihilation analysis, was induced by the singly occupied oxygen vacancy, with a saturated magnetization dependent positively on the amount of this vacancy. This study clarified the origin of the ferromagnetism of un-doped ZnO thin films, and provides possibly an alternative way to prepare ferromagnetic ZnO films.

submitted time 2017-03-26 Hits982Downloads565 Comment 0

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