J. Phys. IV France 08 (1998) Pr2-155-Pr2-158
Magneto-optical investigation of micromagnetic structure of Fe-rich amorphous ribbons and wiresE.E. Shalyguina, N.I. Tsidaeva and L.M. Bekoeva
Department of Physics, Moscow State University, 119899 Moscow, Russia
The results on the magneto-optical investigation of the magnetization processes and near-surface micromagnetic structure (MMS) of Fe-rich soft magnetic amorphous ribbons and wires are presented. The strong dispersion (in macro- and microscale) of magnetic anisotropy in the studied samples was discovered. In consequence of it, their local magnetic properties were very inhomogeneous. It was proved that magnetization processes of the samples realize by means of incoherent rotation of local magnetization vectors. The buckling and curling modes of the magnetization reversal were observed in ribbons and wires correspondingly. It was established that at a some value of magnetic field the blocking of magnetization processes exists. It was discovered that thermomagnetic annealing of the studied ribbons strongly influence on their local magnetic properties and MMS.
© EDP Sciences 1998