The influence of the chemical composition of the ferrimagnetic layer on the features of the magnetization reversal of two-layer Tb-Dy-Co/FeNi films
Rusalina A. S.1, Lepalovskij V. N.1, Kudyukov E. V.1, Stepanova E. A.1, Kurlyandskaya G. V.1, Svalov A. V.1
1Institute of Natural Sciences and Mathematics, Ural Federal University named after the First President of Russia B. N. Yeltsin, Yekaterinburg, Russia
Email: anastasia.rusalina@urfu.ru
This work presents the results of the study of the magnetic properties of exchange-coupled film structures Tb-Dy-Co/FeNi obtained by magnetron sputtering. It is shown that an increase in the dysprosium content in the Tb-Dy-Co layer leads to an increase in the in-plane component of the magnetization of this layer, as well as to a decrease in the coercive force of the Tb-Dy-Co layer and a decrease in the exchange bias field of the FeNi layer at a temperature of 5 K. Changing the temperature of Tb-Dy-Co/FeNi films leads to a change in the order of magnetization reversal of the layers. Keywords: multilayer magnetic films, interlayer exchange interaction, exchange bias, ferrimagnetism, magnetic compensation, permalloy.
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