The features of GMI effect in amorphous wires at microwaves

被引：25
|
作者：
Antonov, A
Granovsky, A
Lagarkov, A
Perov, N
Usov, N
Furmanova, T
机构：
[1] MOSCOW MV LOMONOSOV STATE UNIV,MOSCOW 119899,RUSSIA
[2] SCI CTR APPL PROBLEMS ELECTRODYNAM,MOSCOW 127412,RUSSIA
[3] TRINITI,TROITSK 142092,MOSCOW REGION,RUSSIA
来源：
PHYSICA A | 1997年 / 241卷 / 1-2期
关键词：
amorphous wire; impedance; permeability;
D O I：
10.1016/S0378-4371(97)00118-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A new waveguide method is used to investigate high frequency GMI and magnetic permeability in Co-rich amorphous wire. The GMI spectra at microwaves are quite different from those measured at relatively low frequency. The amplitude of magnetic permeability decreases with increasing frequency, however, its relative change under external magnetic field is still large which enables a high sensitivity of GMI sensors of up to 1000 MHz.
引用
收藏
页码：420 / 424
页数：5
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