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Zinc Vacancy-Induced Room-Temperature Ferromagnetism in Undoped ZnO Thin Films
Ren, HT; Xiang, G; Gu, GX; Zhang, X; Wang, WJ; Zhang, P; Wang, BY; Cao, XZ;张鹏(正); Wang BY(王宝义); Cao XZ(曹兴忠)
2012
发表期刊JOURNAL OF NANOMATERIALS
页码295358
摘要Undoped ZnO thin films are prepared by polymer-assisted deposition (PAD) and treated by postannealing at different temperatures in oxygen or forming gases (95% Ar + 5% H-2). All the samples exhibit ferromagnetism at room temperature (RT). SQUID and positron annihilation measurements show that post-annealing treatments greatly enhance the magnetizations in undoped ZnO samples, and there is a positive correlation between the magnetization and zinc vacancies in the ZnO thin films. XPS measurements indicate that annealing also induces oxygen vacancies that have no direct relationship with ferromagnetism. Further analysis of the results suggests that the ferromagnetism in undoped ZnO is induced by Zn vacancies.
学科领域Science & Technology - Other Topics; Materials Science
DOI10.1155/2012/295358
收录类别SCI
WOS记录号WOS:000308222700001
引用统计
被引频次:8[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/311005/224682
专题多学科研究中心
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GB/T 7714
Ren, HT,Xiang, G,Gu, GX,et al. Zinc Vacancy-Induced Room-Temperature Ferromagnetism in Undoped ZnO Thin Films[J]. JOURNAL OF NANOMATERIALS,2012:295358.
APA Ren, HT.,Xiang, G.,Gu, GX.,Zhang, X.,Wang, WJ.,...&曹兴忠.(2012).Zinc Vacancy-Induced Room-Temperature Ferromagnetism in Undoped ZnO Thin Films.JOURNAL OF NANOMATERIALS,295358.
MLA Ren, HT,et al."Zinc Vacancy-Induced Room-Temperature Ferromagnetism in Undoped ZnO Thin Films".JOURNAL OF NANOMATERIALS (2012):295358.
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