Absence of room temperature ferromagnetism in bulk Mn-doped ZnO

被引:120
作者
Kolesnik, S [1 ]
Dabrowski, B [1 ]
机构
[1] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA
基金
美国国家科学基金会;
关键词
D O I
10.1063/1.1755428
中图分类号
O59 [应用物理学];
学科分类号
摘要
Structural and magnetic properties have been studied for polycrystalline Zn1-xMnxO (x=0.02,0.03,0.05). Low-temperature (similar to500 degreesC) synthesis leaves unreacted starting ZnO and manganese oxides. Contrary to a recent report, no bulk ferromagnetism was observed for single-phase materials synthesized in air at temperatures above 900 degreesC. Single-phase samples show paramagnetic Curie-Weiss behavior. (C) 2004 American Institute of Physics.
引用
收藏
页码:5379 / 5381
页数:3
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