Performances of a high sensitive trilayer F/Cu/F GMI sensor

被引：8
|
作者：
Alves, F. [1 ]
Moutoussamy, J. [2 ]
Coillot, C. [2 ]
Rached, L. Abi [1 ]
Kaviraj, B. [1 ]
机构：
[1] Univ Paris 11, Lab Genie Elect Paris, UPMC P6, CNRS,SUPELEC,UMR8507, F-91192 Gif sur Yvette, France
[2] CETP, IPSL, CNRS, UMR8639, F-78140 Velizy Villacoublay, France
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2008年 / 145卷 / 241-244期
关键词：
magneto-impedance; stress-annealing; nanocrystalline materials; magnetic sensors;
D O I：
10.1016/j.sna.2007.12.016
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：
We have selected stress-annealed nanocrystalline FeSiBCuNb ribbons for trilayer ferromagnetic/copper/ferromagnetic sensors exhibiting high magneto-impedance (MI) ratio. Longitudinal MI delta Z reaches 450% at 60 kHz. Measurements of responses of the GMI sensor on the small amplitude ac fields displays sensitivity of 60 V/T up to a few 100 Hz. The noise equivalent magnetic induction is equal to 13 nT/Hz(+1/2) limited to the added noise from electronics. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：241 / 244
页数：4
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