Journal
JOURNAL OF APPLIED PHYSICS
Volume 111, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3679560
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Funding
- Chinese National Natural Science Foundation [51072094, 50931002]
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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. (C) 2012 American Institute of Physics. [doi:10.1063/1.3679560]
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