Investigation of Cu/NiFe composite wires by SAMR method

•Investigatigatio of magnetic anisotropy and magnetostriction of Cu/NiFe wires by SAMR method.•Magnetic anisotropy is induced by electrodeposition of NiFe film on Cu wire under tensile stress.•Magnetostriction constants are determined from the dependence of anisotropy field on applied stress. Compos...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2021-09, Vol.533, p.168010, Article 168010
Main Authors: Kraus, L., Kopeček, J.
Format: Article
Language:English
Subjects:
Anisotropy
Composite wires
Intermetallic compounds
Iron compounds
Magnetic anisotropy
Magnetostriction
Nickel compounds
NiFe films
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Summary:•Investigatigatio of magnetic anisotropy and magnetostriction of Cu/NiFe wires by SAMR method.•Magnetic anisotropy is induced by electrodeposition of NiFe film on Cu wire under tensile stress.•Magnetostriction constants are determined from the dependence of anisotropy field on applied stress. Composite Cu/NiFe wires with two different compositions of electrolytic NiFe layers were investigated by the small angle magnetization rotation (SAMR) method. From the measurements the induced anisotropy and the saturation magnetostriction constants were determined. The measurements were compared with the theoretical model based on the quasistatic approximation. The experimental results well agreed with the theory.
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2021.168010