Giant magnetoimpedance effect and domain wall dynamics in Co-rich amorphous microwires

被引：15

作者：

Zhukov, A. ^{[1
,2
,3
]}

Chizhik, A. ^{[1
,3
]}

Ipatov, M. ^{[1
,3
]}

Talaat, A. ^{[1
,3
]}

Blanco, J. M. ^{[3
]}

Stupakiewicz, A. ^{[4
]}

Zhukova, V. ^{[1
,3
]}

机构：

[1] Univ Basque Country, Fac Quim, Dept Fis Mat, San Sebastian 20080, Spain

[2] Basque Fdn Sci, Ikerbasque, Bilbao 48011, Spain

[3] Univ Basque Country, EUPDS, Dept Fis Aplicada 1, San Sebastian 20018, Spain

[4] Univ Bialystok, Fac Phys, Magnetism Lab, PL-15424 Bialystok, Poland

来源：

JOURNAL OF APPLIED PHYSICS | 2015年 / 117卷 / 04期

关键词：

INDUCED MAGNETIC-ANISOTROPY; MAGNETOSTRICTION;

D O I：

10.1063/1.4906503

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The giant magnetoimpedance (GMI) effect, as well as the magnetic and magneto-optical properties, of Co69.2Fe4.1B11.8Si13.8C1.1 and Fe73.8Cu1Nb3.1B9.1Si13 amorphous microwires is studied. It is observed that the magnetic properties and the GMI effect of the Co-rich microwire can be tuned by heat treatment. A high GMI effect has been observed in as-prepared Co-rich microwires. After appropriate annealing of the Co-rich microwires, fast domain wall propagation and a GMI effect can be simultaneously observed in the same sample, and annealing is seen to affect both the diagonal and off-diagonal GMI components. Using complementary studies of the bulk and surface magnetic properties, an attempt is made to explain the great difference observed in the GMI properties of Co- and Fe-based microwires exhibiting very similar bulk hysteresis loops. (C) 2015 AIP Publishing LLC.

引用

页数：7

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