Enhancement of magnetism of Zn0.95Co0.05O films by p-type Cu+ doping
Hao, WC; Li, JJ; Xu, HZ; Wang, JO; Wang, TM; Wang JO(王嘉鸥)
刊名PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL
2011
卷号21期号:1页码:#REF!
关键词Zn0.95Co0.05O films Zn0.91Co0.05Cu0.04O films magnetic semiconductors magnetic coupling co-doping
学科分类Materials Science; Science & Technology - Other Topics
通讯作者Hao, WC (reprint author), Beihang Univ, Ctr Mat Phys & Chem, Beijing 100083, Peoples R China.
文章类型Article
英文摘要Zn0.95Co0.05O and Zn0.91Co0.05Cu0.04O thin films were fabricated on Si (111) substrate by the reactive magnetron sputtering method at different O-Ar ratios. Detailed characterizations by X-ray diffractometry (XRD), X-ray photo-electronic spectrum (XPS), and electron paramagnetic resonance (EPR) indicate that the doped Cu ions substitute the Zn2+ ions in the ZnO lattice. The doped Cu ions are in Cu+ and Cu2+ mixture valence states. The ferromagnetism of the Zn0.91Co0.05Cu0.04O film increases gradually the increasing Cu+ ions concentration. The results indicate that the increase of ferromagnetism is not owing to the magnetic contribution of Cu+ ions themselves, but owing to the enhancement of magnetic interaction between Co ions, which suggests that p-type doping of Cu+ ions plays an important role in mediating the ferromagnetic coupling between Co ions.
类目[WOS]Materials Science, Multidisciplinary ; Multidisciplinary Sciences
收录类别SCI
WOS记录号WOS:000288633200006
引用统计
被引频次:3[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/311005/225627
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
中国科学院高能物理研究所_多学科研究中心
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GB/T 7714
Hao, WC,Li, JJ,Xu, HZ,et al. Enhancement of magnetism of Zn0.95Co0.05O films by p-type Cu+ doping[J]. PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,2011,21(1):#REF!.
APA Hao, WC,Li, JJ,Xu, HZ,Wang, JO,Wang, TM,&王嘉鸥.(2011).Enhancement of magnetism of Zn0.95Co0.05O films by p-type Cu+ doping.PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,21(1),#REF!.
MLA Hao, WC,et al."Enhancement of magnetism of Zn0.95Co0.05O films by p-type Cu+ doping".PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL 21.1(2011):#REF!.
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