Magnetic after effect of giant magnetoimpedance in amorphous wires

被引：4
|
作者：
Raposo, V [1 ]
Flores, AG [1 ]
Zazo, M [1 ]
Iñiguez, JI [1 ]
机构：
[1] Univ Salamanca, Dpto Fis Aplicada, E-37008 Salamanca, Spain
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2003年 / 254卷
关键词：
amorphous wires; hysteresis; magnetoimpedance; after effect;
D O I：
10.1016/S0304-8853(02)00762-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Time dependence of the giant magnetoimpedance (GMI) in Co(68.15)Fe(4.35)Si(12.5)5B(15) amorphous wires is studied here. Magnetoimpedance measurements were performed for different frequencies, from 0.1 to 10 MHz. The maximum relative variation of the GMI for this sample is about 130% at 0.1 MHz, the frequency at which magnetic after effect (MAE) was observed clearly. MAE was measured as the time evolution of the magnetoimpedance of the samples after a sudden change in the applied field. Both increasing and suppressing the magnetic field has been analyzed. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：204 / 206
页数：3
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