The results of magnetooptical investigation of the micromagnetic structure of amorphous Fe$_{73}$Co$_{12}$B$_{15}$ ribbons are presented. A strong dispersion of magnetic anisotropy on a macro- and microscale in the initial state of the ribbons is detected. As a result, their local magnetic properties are rather heterogeneous, an irregular ripple-structure forms on remagnetization of the ribbons, and blocking of magnetization processes, accompanying this structure is observed. The influence of thermomagnetic annealing on the micromagnetic structure of the ribbons is investigated.
Department of Magnetism, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
Science News of the Faculty of Physics, Lomonosov Moscow State University
This new information publication, which is intended to convey to the staff, students and graduate students, faculty colleagues and partners of the main achievements of scientists and scientific information on the events in the life of university physicists.