The influence of size on coercive field of ultra soft magnetic materials

被引：6
|
作者：
Varga, LK
Gercsi, Z
Kovács, G
Mazaleyrat, F
机构：
[1] Res Inst Soild State Phys & Opt, H-1525 Budapest, Hungary
[2] Eotvos Lorand Univ, Dept Gen Phys, H-1518 Budapest, Hungary
[3] Ecole Normale Super, SATIE, F-94235 Cachan, France
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 301卷 / 02期
关键词：
ultra soft magnetic alloys; size dependence; coercivity; demagnetizing effect;
D O I：
10.1016/j.jmmm.2005.08.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report here a size dependence of the coercive field in the millimeter-centimeter range length scale of ribbon like samples prepared from ultra soft amorphous and nanocrystalline alloys. A model is proposed where surface pinned domain walls are considered having an effective stiffness constant linearly increasing with the demagnetization factor. (c) 2005 Elsevier B.V. All rights reserved.
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页码：527 / 531
页数：5
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