Ferromagnetism in manganese and cobalt co-doped ZnO bulk samples

被引：14

作者：

Wang, Yongqiang ^{[1
]}

Song, Yunxing ^{[1
]}

Yin, Shiyan ^{[1
]}

Yu, Gongqi ^{[1
]}

Miao, Juhong ^{[1
]}

Yuan, SongLiu ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2006年 / 131卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

diluted magnetic semiconductors; ferromagnetism; bulk samples;

D O I：

10.1016/j.mseb.2005.10.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The polycrystalline bulk samples with nominal composition Zn1-x(Mn1/2Co1/2)(x)O (x = 10%, 15%,30%) were fabricated at 600 degrees C by the standard solid-state reaction method. The structural analysis shows that the lower doped samples (x < 15%) are single phase of wurtzite structure, while for the high-doped sample (x = 30%), beside the main peaks of wurtzite structure, the peaks of secondary phase are visible. Magnetization measurement indicates that all the samples show feffornagnetic ordering with T-c > 300 K. Based on the structural analyses, the experimental observation is discussed. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：9 / 12

页数：4

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