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Power absorption and ferromagnetic resonance in Co-rich metallic glasses

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6 Author(s)
Garcia-Miquel, H. ; ETSIT, Univ. Politecnica de Valencia, Spain ; Esbri, M.J. ; Andres, J.M. ; Garcia, J.M.
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The power absorption of Co-rich metallic glasses in the shape of ribbons and microwires has been measured in the microwave frequency range. The technique employed consists of replacing the dielectric of a coaxial transmission line by the amorphous sample to be measured. The ferromagnetic resonance frequency of the microwires has been obtained by analyzing the absorbed power as a function of an external magnetic field. From the evolution of this resonance frequency, the anisotropy field has been deduced and successfully compared to that obtained from low-frequency hysteresis loops

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Magnetics, IEEE Transactions on  (Volume:37 ,  Issue: 1 )