Influence of measuring method on enhancement of giant magneto-impedance effect in glass-coated microwires with outer conductive layer

被引：4
|
作者：
Wu, Zhiming [1 ]
Zhao, Zhenjie [1 ]
Liu, Longping [1 ]
Gong, Weiyu [1 ]
Yang, Jiexin [1 ]
Yang, Xielong [1 ]
机构：
[1] E China Normal Univ, Dept Phys, Shanghai 200062, Peoples R China
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2007年 / 137卷 / 02期
关键词：
magneto-impedance; resonance enhancement of the impedance; LC circuit; distributed parameter method;
D O I：
10.1016/j.sna.2007.03.004
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Enhancement of giant magneto-impedance effect in Fe-based glass-coated microwires with an additional outer copper layer was investigated. Experimental results demonstrated that a capacitance was formed between the ferromagnetic core and the outer conductive layer, and the composite wire constructed a LC resonance element by itself. A new measuring method was used to lower the resonance frequency, and was advantageous to obtain resonance enhancement of giant magneto-impedance effect in miniaturization element. The impedance curve was simulated using the distributed parameter method and the calculated results agreed well with the experimental data. (c) 2007 Elsevier B.V All rights reserved.
引用
收藏
页码：244 / 247
页数：4
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