Giant magneto-impedance sensors based on rapidly stress-annealed FeSiBCuNb ribbons

被引：8
作者：
Bensalah, A. -D.
Barrue, R.
Alves, F.
Rached, L. Abi
机构：
[1] Univ Paris 11, Univ Paris 06, Supelec,CNRS UMR 8507, LGEP SPEE Labs, F-91192 Gif Sur Yvette, France
[2] ENS, SPEE Labs, SATIE UMR 8029, F-94235 Cachan, France
来源：
SENSOR LETTERS | 2007年 / 5卷 / 01期
关键词：
magneto-impedance effect; stress-annealing; magnetic anisotropy; magnetic sensors;
D O I：
10.1166/sl.2007.045
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Magneto-elastic properties and creep-induced anisotropy dependence of giant magneto-impedance (GMI) behaviour in nanocrystalline Fe75Si15B6Cu1Nb3/Cu/Fe75Si15B6Cu1Nb3 sandwiched structures are reported. Magnetic ribbons are submitted to stress (5 to 175 MPa)-rapid annealing (a few tens of seconds) at temperatures between 500 degrees C and 800 degrees C. At contrary to amorphous systems, transfer curves of nanocrystalline GMI sensors can be easily controlled by creep-induced anisotropy. GMI ratio improves with permeability. High values of GMI ratio (around 600%) are obtained in the radiofrequency range.
引用
收藏
页码：146 / 148
页数：3
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