Experimental Determination of Relation Between Helical Anisotropy and Torsion Stress in Amorphous Magnetic Microwires

Surface magnetization reversal of Co-rich amorphous glass covered microwires in the presence of torsion stress has been studied by magneto-optical Kerr effect. The dependence of the angle of the helical anisotropy on the applied torsion stress has been obtained for the first time based on the analysis of the magneto-optical experimental results. The value of the limit angle of the torsion stress induced helical anisotropy has been found.