Giant magneto impedance in electroplated NiFeMo/Cu microwires

Electroplated soft magnetic FeNiMo alloy films on Cu mircrowires show magneto impedance effects larger than 1000%. The magnetic anisotropy generated by the axial deposition of the alloy seems to be an important factor for the achievement of magnetoimpedance. The extent of this effect also increases...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2007-04, Vol.311 (2), p.651-657
Main Authors: Velleuer, J., Muñoz, A.G., Yakabchuk, H., Schiefer, C., Hackl, A., Kisker, E.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
GMI
Magnetic anisotropy
Magnetic properties
Magnetic properties and materials
Magnetic properties of surface, thin films and multilayers
Magnetically ordered materials: other intrinsic properties
Ni–Fe–Mo alloys
Physics
Sensors
Studies of specific magnetic materials
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Description
Summary:Electroplated soft magnetic FeNiMo alloy films on Cu mircrowires show magneto impedance effects larger than 1000%. The magnetic anisotropy generated by the axial deposition of the alloy seems to be an important factor for the achievement of magnetoimpedance. The extent of this effect also increases with the layer thickness. Furthermore, the impedance is markedly improved after the annealing of the coating under an external magnetic field.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2006.08.030