Magnetostatic properties of amorphous and nanostructured Fe73.5Si13.5B9Cu1Nb3 wiresстатья
Статья опубликована в высокорейтинговом журнале
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Аннотация:We present the results of experimental investigations of magnetostatic properties of Fe-based amorphous wires with diameter about 100 mu m. The samples were annealed at different conditions. The as-quenched sample had a weak increase (about 5%) of the magnetization with magnetic field decrease - the negative differential magnetic permeability could be observed in its hysteresis loops. The coercive force was about 0.2 Oe. The conventional annealing decreased the value of the saturation field down to 5 Oe without change of the coercive force value. When the annealing was accompanied with torsion stress the coercive force became less than 50 mOe. After the current annealing any peculiarities disappeared in magnetization in a weak magnetic field. (c) 2007 Elsevier B.V. All rights reserved.