A threshold of Vo+/Vo++ to room temperature ferromagnetism of hydrogenated Mn doped ZnO nanoparticles

被引：28

作者：

Yuan, K. ^{[1
]}

Yu, Q. X. ^{[1
]}

Gao, Q. Q. ^{[1
]}

Wang, J. ^{[1
]}

Zhang, X. T. ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 23002, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2012年 / 258卷 / 08期

关键词：

ZnO; Nanoparticle; Ferromagnetism; Photoluminescence; Oxygen vacancy; Gaussian analysis; THIN-FILMS; PHOTOLUMINESCENCE; NANOTUBES;

D O I：

10.1016/j.apsusc.2011.08.080

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hydrogenated Mn doped Zn1-xMnxO (x = 0.03, 0.04, 0.08) nanoparticles were prepared by co-precipitation method. With the increase of Mn ions concentration, the magnetization of the hydrogenated Zn1-xMnxO increased. Photoluminescence spectra of samples annealed in Ar and H-2 respectively were performed and the visible bands were fitted with Gaussian analysis. It is concluded that the sharp magnetization enhancement could be attributed to the long-rang interaction between bound-magnetic-polarons led by the singly charged oxygen vacancy (Vo(+)). (C) 2011 Elsevier B.V. All rights reserved.

引用

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页码：3350 / 3353

页数：4

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