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Magnetic After-effect in Amorphous Co-Fe-Si-B Wire

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Czechoslovak Journal of Physics Aims and scope

Abstract

Structural and magnetic stability of the amorphous (Co0.94Fe0.06)72.5Si12.5B15 wire has been investigated by the magnetic after-effect spectroscopy. Activation parameters of the relaxation in the as-cast wire are Q*=1.62 eV and τ0=7x10−17 s. Annealing suppresses short-time relaxation by annealing-out free volumes, but still some free volume remains in the sample and contributes to the irreversible relaxation. This can be seen during long-time experiments.

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Authors and Affiliations

  1. Institute of Physics, Fac. Sci., P.J. Šafárik University, Park Angelinum 9, 041 54 Košice, Slovakia

    R. Andrejco, R. Varga & P. Vojtanik

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  1. R. Andrejco
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  2. R. Varga
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  3. P. Vojtanik
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Andrejco, R., Varga, R. & Vojtanik, P. Magnetic After-effect in Amorphous Co-Fe-Si-B Wire. Czech J Phys 54 (Suppl 4), 153–156 (2004). https://doi.org/10.1007/s10582-004-0052-0

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  • DOI: https://doi.org/10.1007/s10582-004-0052-0

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