Phase transitions in rare-earth ferrimagnets with surface anisotropy near the magnetization compensation point
- Autores: Yurlov V.1,2, Zvezdin K.1,2,3, Zvezdin A.1,2,3
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Afiliações:
- Moscow Institute of Physics and Technology
- New Spintronic Technologies LLC
- Prokhorov General Physics Institute of the Russian Academy of Sciences
- Edição: Volume 88, Nº 1 (2024)
- Páginas: 112-118
- Seção: Wave Phenomena: Physics and Applications
- URL: https://journals.rcsi.science/0367-6765/article/view/264561
- DOI: https://doi.org/10.31857/S0367676524010202
- EDN: https://elibrary.ru/RZMNHT
- ID: 264561
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Resumo
Theoretical model is proposed for calculating the phase H-T diagrams of a rare-earth ferrimagnet, considering the effects of each of the magnetic sublattices and surface anisotropy. Magnetic phase diagrams are numerically calculated. The presence of surface anisotropy leads to blurring of the second-order phase transition lines between the collinear and angular phases, displacement of the tricritical point, as well as the possibility of the formation of new phase transition lines.
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Sobre autores
V. Yurlov
Moscow Institute of Physics and Technology; New Spintronic Technologies LLC
Autor responsável pela correspondência
Email: yurlov.vv@phystech.edu
Rússia, Dolgoprudny; Moscow
K. Zvezdin
Moscow Institute of Physics and Technology; New Spintronic Technologies LLC; Prokhorov General Physics Institute of the Russian Academy of Sciences
Email: yurlov.vv@phystech.edu
Rússia, Dolgoprudny; Moscow; Moscow
A. Zvezdin
Moscow Institute of Physics and Technology; New Spintronic Technologies LLC; Prokhorov General Physics Institute of the Russian Academy of Sciences
Email: yurlov.vv@phystech.edu
Rússia, Dolgoprudny; Moscow; Moscow
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