On the room temperature ferromagnetism of Mn doped ZnO

被引：44
|
作者：
Jayakumar, O. D. [1 ]
Gopalakrishnan, I. K. [1 ]
Kulshrestha, S. K. [1 ]
机构：
[1] Bhabha Atom Res Ctr, Div Chem, Bombay 400085, Maharashtra, India
来源：
PHYSICA B-CONDENSED MATTER | 2006年 / 381卷 / 1-2期
关键词：
room temperature ferromagnetism; dilute magnetic semiconductors; Mn doped ZnO;
D O I：
10.1016/j.physb.2006.01.012
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Room temperature ferromagnetism was observed in polycrystalline samples of Mn doped ZnO synthesized by low temperature solid-state reaction of MnO2 and ZnO. Co-doping it with Li did not improve its ferromagnetic characteristics. By studying the products obtained by reacting MnO2 and ZnO, using simple experimental techniques like XRD analysis and DC magnetization, we show that the observed room temperature ferromagnetism in Mn doped ZnO can be attributed to the substitutional incorporation of Mn at Zn-sites rather than due to the formation of segregated secondary phases. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：194 / 198
页数：5
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