Magnetism and clustering in Cu doped ZnO

被引:68
作者
Huang, Dan [1 ,2 ]
Zhao, Yu-Jun [1 ]
Chen, Di-Hu [2 ]
Shao, Yuan-Zhi [2 ]
机构
[1] S China Univ Technol, Dept Phys, Guangzhou 510640, Guangdong, Peoples R China
[2] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.1063/1.2920572
中图分类号
O59 [应用物理学];
学科分类号
摘要
The influence of defect charge state on the magnetism of Cu doped ZnO as well as the Cu defects clustering have been investigated by the first-principles calculations. We demonstrate that p-type ZnO:Cu could have ferromagnetic (FM) property, but n-type ZnO:Cu would not have local magnetic moment. Furthermore, the neutral substitutive Cu defects are found to be favorable in clustering, which maintains the FM ordering. (c) 2008 American Institute of Physics.
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页数:3
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