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Study of structural relaxation in ferromagnetic amorphous Fe-Si-B ribbons by MAE investigations

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2 Author(s)
Alves, F. ; LESiR-ENSC, Cachan, France ; Perron, J.C.

The present study concerns structural relaxation in a Fe-based amorphous alloy via the influence of temperature (293-673 K) and time (3-104 s) on the value of the initial permeability. Magnetic after-effects at low temperatures (disaccommodation) and structural relaxation at high temperatures have been observed and analyzed. On the one hand, assuming a first order kinetics of the relaxation processes, one mode spectrum of activation energies was obtained. On the other hand, the initial permeability, correlated to anisotropy, is a good probe for investigation of structural relaxation during annealings

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Magnetics, IEEE Transactions on  (Volume:32 ,  Issue: 3 )