Room temperature ferromagnetism of Cu doped ZnO nanowire arrays

被引：35
|
作者：
Gao, Daqiang [1 ]
Xu, Yan [1 ]
Zhang, Zhaohui [1 ]
Gao, Hua [1 ]
Xue, Desheng [1 ]
机构：
[1] Lanzhou Univ, Key Lab Magnetism & Magnet Mat MOE, Lanzhou 730000, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2009年 / 105卷 / 06期
关键词：
annealing; copper; copper compounds; electrodeposition; ferromagnetic materials; II-VI semiconductors; magnetic hysteresis; nanowires; oxidation; Raman spectra; semimagnetic semiconductors; wide band gap semiconductors; X-ray diffraction; X-ray photoelectron spectra; zinc compounds; MAGNETIC SEMICONDUCTORS;
D O I：
10.1063/1.3079509
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report the room temperature ferromagnetism of Cu doped ZnO nanowire arrays embedded in anodic aluminum oxide template. The nanowires about 100 nm in diameter were fabricated by electrodepositing Zn2+ and Cu2+ into the template and postoxidation annealing in air atmosphere. Magnetization measurements indicated that the Zn1-xCuxO (x=0.05 and 0.07) nanowires exhibit room temperature ferromagnetism and the Zn0.93Cu0.07O nanowires annealed in vacuum reveals an enhancement of the ferromagnetism. X-ray diffraction pattern, x-ray photoelectron spectroscopy, and Raman spectra measurements showed that all the samples possess a typical wurtzite structure and no other impurity phases were observed.
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页数：4
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