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Anomalous hysteresis loops of ferrimagnetic Gd-Co films of different thickness near the magnetic compensation temperature
Rusalina A. S.1, Lepalovskij V. N.1, Stepanova E. A.
1, Vas’kovskiy V. O.
1,2, 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
2M.N. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia
2M.N. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia
Email: Anastasia.Rusalina@urfu.ru, vladimir.lepalovsky@urfu.ru, elena.stepanova@urfu.ru, andrey.svalov@urfu.ru
Triple hysteresis loops were observed for amorphous ferrimagnetic Gd-Co films near the magnetic compensation temperature, which can be a consequence of both the spin-flop transition and the chemical composition gradient. In the work, an assessment of the possible chemical inhomogeneity of the films based on magnetic measurements was carried out and its relationship with the thickness of the samples was observed. Keywords: amorphous magnetic films, perpendicular magnetic anisotropy, ferrimagnetism, magnetic domain structure, magnetic hysteresis.
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