Magnetic properties and exchange bias in Mn2O3/Mn3O4 nanoclusters

被引：19
作者：
Wang, Z. H. [1 ]
Geng, D. Y.
Hu, W. J.
Ren, W. J.
Zhang, Z. D.
机构：
[1] Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110015, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2009年 / 105卷 / 07期
基金：
中国国家自然科学基金;
关键词：
MN3O4; NANOPARTICLES; ANISOTROPY; PARTICLES; NANORODS; MN2O3;
D O I：
10.1063/1.3055349
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Mn2O3/Mn3O4 nanoclusters were prepared by air oxidation of Mn3O4 nanoparticles. The nanoparticles located at the surface of the Mn2O3/Mn3O4 nanoclusters are oxidized to Mn3O4 to form the special structure of the Mn2O3/Mn3O4 nanoclusters. An exchange bias was observed in the Mn2O3/Mn3O4 nanoclusters, which was induced by exchange coupling between ferromagnetic Mn3O4 and antiferromagnetic Mn3O4 phases. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3055349]
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页数：3
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