Abstract

Abstract The effect of torsion-induced acceleration of domain-wall motion has been discovered in magnetic glass-covered microwires. Torsion-stress application causes a step-change increase in domain-wall velocity. The threshold character of the observed effect is related to the successive stress-induced appearance of spiral and elliptical types of domain structures. The theoretical analysis allows us to associate the stress-induced domain-structure transformation with a change of the relationship between the inner core and the outer shell of the magnetic structure in microwires.

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