GMI of Al-substituted Fe–Si–B–Cu–Nb nanocrystalline ribbons

Two series of Fe–Si–B–Cu–Nb-based ribbons with partial substitution of aluminium were investigated with respect to their magnetoimpedance and the influence of heat treatments on it. Although the original Finemet composition ( f= s= b=0) showed a much higher magnetoimpedance ratio, substitution of Si...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1999, Vol.203 (1), p.117-119
Main Authors: Moya, J.A, Arcondo, B, Sirkin, H, Sartorelli, M.L, Knobel, M, Vázquez, M
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Finemet
Giant magnetoresistance
Magnetic properties and materials
Magneto-impedance
Magnetotransport phenomena, materials for magnetotransport
Nanocrystalline materials
Physics
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Summary:Two series of Fe–Si–B–Cu–Nb-based ribbons with partial substitution of aluminium were investigated with respect to their magnetoimpedance and the influence of heat treatments on it. Although the original Finemet composition ( f= s= b=0) showed a much higher magnetoimpedance ratio, substitution of Si by Al improves the field sensitivity of the GMI response.
ISSN:0304-8853
DOI:10.1016/S0304-8853(99)00207-3