Ferromagnetism in Cu-doped ZnO nanoparticles at room temperature

被引：0

作者：

H. L. Liu

J. H. Yang

Y. J. Zhang

Y. X. Wang

M. B. Wei

D. D. Wang

L. Y. Zhao

J. H. Lang

M. Gao

机构：

[1] Changchun Institute of Optics,Key Laboratory of Excited State Processes

[2] Fine Mechanics and Physics,undefined

[3] Chinese Academy of Sciences,undefined

[4] Graduate School of the Chinese Academy of Sciences,undefined

[5] Physics College of Jilin Normal University,undefined

来源：

Journal of Materials Science: Materials in Electronics | 2009年 / 20卷

关键词：

Magnetic Semiconductor; Room Temperature Ferromagnetism; Citric Acid Complex; Exhibit Room Temperature; Short Separation Distance;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Cu-doped ZnO nanoparticles were successfully synthesized and structurally characterized by using X-ray diffraction (XRD) and transmission electron microscope (TEM). XRD shows that Zn1−xCuxO (x ≤ 0.04) samples are single phase with the ZnO-like wurtzite structure, while the secondary phase Cu is observed in Zn0.95Cu0.05O sample. Magnetic measurements indicated that Zn1−xCuxO (x = 0.02, 0.03, 0.04) are ferromagnetic at room temperature and the magnetic moment per Cu atom decreased with increasing Cu concentration. XRD, TEM and X-ray photoelectron spectroscopy (XPS) analysis revealed that no ferromagnetic-related secondary phase was detected. The origin of the ferromagnetism in Zn1−xCuxO (x ≤ 0.04) was mainly due to Cu ions substituted into the ZnO lattice.

引用

页码：628 / 631

页数：3

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