GMI Effect of Ultra-Soft Magnetic Soft Amorphous Microwires

A. Zhukov*, 1, 2, M. Ipatov2, J. M. Blanco3, V. Zhukova2
1 IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain
2 Dpto. Fisica de Materiales, Fac. Quimicas, UPV/EHU, 20009 San Sebastian, Spain
3 Dpto. de Física Aplicada, EUPDS, UPV/EHU, 20018, San Sebastian, Spain

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© 2012 Zhukov et al;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the IKERBASQUE, Basque Foundation for Science, and Dpto. Fisica de Materiales, Fac. Quimicas, UPV/EHU, 20009 San Sebastian, Spain; Tel: 34-943018611; Fax: 34-943017130; E-mails:,


In this paper we experimentally studied GMI effect and soft magnetic behavior of Co-rich microwires. Correlation between magnetoelastic anisotropy and magnetic field dependences of diagonal and off-diagonal impedance components are observed. Low field GMI hysteresis, explained in terms of magnetoelastic anisotropy of microwires, has been suppressed by the bias current.

Keywords: Amorphous wires and microwires, giant magneto-impedance, skin effect, magnetic anisotropy.