Induced Giant Magnetoimpedance Effect by Current Annealing in Ultra Thin Co-Based Amorphous Ribbons

被引:5
作者
Ipatov, M. [1 ]
Gonzalez-Legarreta, L. [2 ]
Garcia, J. [2 ]
Chizhik, A. [1 ]
Dominguez, L. [3 ]
Zhukova, V. [1 ]
Zhukov, A. [1 ,4 ]
Hernando, B. [2 ]
Gonzalez, J. [1 ]
机构
[1] Univ Basque Country, Fac Chem, Dept Mat Phys, San Sebastian 20018, Spain
[2] Univ Oviedo, Dept Fis, E-33007 Oviedo, Spain
[3] Univ Basque Country, Dept Appl Phys 1, San Sebastian 20018, Spain
[4] IKERBASQUE Fdn, Bilbao 48011, Spain
关键词
Induced magnetic anisotropy; magnetoimpedance effect; soft amorphous magnetic alloy ribbons; FERROMAGNETIC-RESONANCE; IMPEDANCE; GMI;
D O I
10.1109/TMAG.2012.2228473
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 studied the magnetoimpedance (MI) response of near-zero magnetostriction (Co0.95Fe0.05)(75)Si10B15 (Co-based) amorphous ribbons (0.50 mm wide, 32 mu m thick), thermally treated by current annealing, for different dc current of intensity varying from 440-680 mA during 5 min, was investigated in the frequency range of 10 MHz-1 GHz. It was not observed MI effect in the as-quenched ribbon, while the current annealed ribbons display large MI depending on the current annealing intensity in a similar way to that of the inhomogeneous induced magnetic anisotropy developed by this peculiar thermal treatment.
引用
收藏
页码:1009 / 1012
页数:4
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