Random anisotropy effects in soft magnetic nanocrystalline materials

被引：1
|
作者：
Labiano, JG [1 ]
Gómez-Polo, C [1 ]
机构：
[1] Univ Publ Navarra, Dept Fis, Campus Arrosadia, Pamplona 31006, Spain
来源：
PHYSICA B-CONDENSED MATTER | 2006年 / 372卷 / 1-2期
关键词：
magnetization process; nanocrystalline materials; grain size dependence;
D O I：
10.1016/j.physb.2005.10.061
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The basic magnetic parameters (coercivity, remanent magnetization) of the magnetization process in nanocrystalline soft magnetic alloys are analysed. The estimation procedure mainly consists of the energy minimization of an assembly of single domain particles, taking into account the main contributions in these biphasic systems (crystalline and residual amorphous phases). The grain size dependence of coercivity in these nanocrystalline materials is analysed considering the occurrence of long-range exchange interactions exponentially attenuated as a function of the distance between interacting particles. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：256 / 259
页数：4
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