Effect of annealing on magnetic properties and Giant magnetoimpedance effect of amorphous microwires

被引：0

作者：

Talaat, A. ^{[1
]}

Zhukova, V. ^{[1
]}

Ipatov, M. ^{[1
]}

Blanco, J. M.

Zhukov, A. ^{[1
,2
]}

机构：

[1] Univ Basque Country, Dept Fis Mat, UPV EHU, San Sebastian, Spain

[2] Univ Basque Country, Dept Fis Mat, UPV EHU, IKERBASQUE, San Sebastian, Spain

来源：

2013 SEVENTH INTERNATIONAL CONFERENCE ON SENSING TECHNOLOGY (ICST) | 2013年

关键词：

magnetic microwires; GMI effect; magnetic softness; magnetoelastic anisotropy; MAGNETOELASTIC ANISOTROPY; DOMAIN-WALL; MAGNETOSTRICTION; WIRES; STRESS; IMPEDANCE; DEPENDENCE;

D O I：

暂无

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 studied Giant magnetoimpedance (GMI) effect and magnetic properties of amorphous Fe-Co rich as-prepared and annealed microwires. We measured the GMI magnetic field and frequency dependences, hysteresis loops and domain walls (DWs) dynamics of composite microwires produced by the Taylor-Ulitovski technique. We observed that these properties can be tailored either controlling magnetoelastic anisotropy of as-prepared CoFeBSiC microwires or controlling their magnetic anisotropy by heat treatment. High GMI effect has been observed in as-prepared Co-rich microwires. High DW velocity and rectangular hysteresis loops we observed in heat treated Co-rich microwires. We observe increasing of the DW velocity under stress in some annealed samples.

引用

页码：916 / 921

页数：6

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