Influence of ferromagnetic layer on the exchange coupling of antiferromagnetic NiO-based films

被引：4
|
作者：
Guo, S.
Liu, W. [1 ]
Liu, X. H.
Gong, W. J.
Feng, J. N.
Zhang, Z. D.
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2012年 / 324卷 / 22期
基金：
国家高技术研究发展计划(863计划);
关键词：
Exchange bias; Blocking temperature; Thickness; Interface; Interlayer; BIAS; ANISOTROPY; ENHANCEMENT; DEPENDENCE; INTERFACES; THICKNESS; SPACER; MODEL;
D O I：
10.1016/j.jmmm.2012.06.044
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Strong effects of ferromagnetic layer (FM-Co, and Ni80Fe20) on the magnitude and blocking temperature of exchange coupling are observed in antiferromagnetic NiO-based films NiO (5nm)/FM1 (t nm)/FM2 (6-t nm). The existence of interfacial spins configuration in glass-like state and FM anisotropy are proposed to interpret a minimum shown in thermal magnetization curves for films with strong exchange coupling effect. The microstructural change of FM layer and the long-range interaction of exchange bias are taken into account to explain a strong dependence of exchange coupling energy density on the thickness t(F) of FM layer when t(F) < 5 nm. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：3933 / 3936
页数：4
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