Effect of Annealing on Magnetic Properties and Giant Magnetoimpedance Effect of Amorphous Microwires

被引：8

作者：

Zhukova, Valentina ^{[1
]}

Talaat, Ahmed ^{[1
]}

Ipatov, Mihail ^{[1
]}

Blanco, Juan M. ^{[2
]}

Phan, Manh-Huong ^{[3
]}

Zhukov, Arcady P. ^{[1
,4
]}

机构：

[1] Univ Basque Country, Fac Ciencias Quim, Dept Fis Mat, San Sebastian 20018, Spain

[2] EUPDS Basque Country Univ UPV EHU, Dept Fis Aplicada, San Sebastian 20018, Spain

[3] Univ S Florida, Dept Phys, Tampa, FL 33620 USA

[4] Basque Fdn Sci, IKERBASQUE, Bilbao 48011, Spain

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2014年 / 50卷 / 06期

关键词：

Domain wall (DW) dynamics; giant magnetoimpedance (GMI) effect; magnetic anisotropy; thin microwires; MAGNETOELASTIC ANISOTROPY; FERROMAGNETIC MICROWIRES; DOMAIN-WALL; MAGNETOSTRICTION; WIRES; IMPEDANCE; DEPENDENCE; FIELD;

D O I：

10.1109/TMAG.2014.2304777

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 report on the magnetic properties and giant magnetoimpedance (GMI) effect of amorphous glass-coated Co-rich microwires in as-prepared and annealed states. The magnetic field and frequency dependences of GMI, magnetic hysteresis loops, and domain wall (DW) dynamics of Co69.2Fe4.1B11.8Si13.8C1.1 microwires produced by the Taylor-Ulitovski technique were investigated systematically. We have shown that these properties can be tailored either by controlling magnetoelastic anisotropy of the as-prepared microwires or by controlling their magnetic anisotropy via proper annealing. While the GMI effect has been achieved in an as-prepared microwire, high DW velocity and rectangular hysteresis loops have been observed in its annealed counterpart.

引用

页数：4

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