Magnetic permeability relaxation in amorphous Fe62.5Co6Ni7.5Zr6Cu1Nb2B15

被引：3
|
作者：
Allia, P
Coisson, M
Tiberto, P
Vinai, F
Lanotte, L
机构：
[1] Ist Elettrotecnico Nazl Galileo Ferraris, Dept Mat, I-10125 Turin, Italy
[2] INFM, Torino Politecn Unit, I-10125 Turin, Italy
[3] Politecn Torino, I-10129 Turin, Italy
[4] Politecn Torino, INFM, I-10129 Turin, Italy
[5] Univ Naples Federico II, Dipartimento Sci Fis, I-80125 Naples, Italy
[6] Univ Naples Federico II, INFM, I-80125 Naples, Italy
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2000年 / 215卷
关键词：
amorphous and nanocrystalline ferromagnets; magnetic permeability;
D O I：
10.1016/S0304-8853(00)00154-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The high-frequency initial magnetic permeability and its relaxation have been studied in Fe62.5Co6Ni7.5Zr6Cu1Nb2B15 after heat treatment (both in furnace or via DC Joule heating). The magnetic permeability steadily increases in correspondence of both structural relaxation and nanocrystallisation of the alloy. The intensity of the permeability relaxation (measured between fixed times after demagnetisation) is reduced by structural relaxation but exhibits a sharp maximum immediately before the onset of nanocrystallisation. The nanocrystalline alloy is characterised by a nonzero, if reduced, permeability relaxation. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：346 / 348
页数：3
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