Monte Сarlo Modeling of Magnetization Relaxation in Amorphous Re–Tb and Re–Gd Alloys

Monte Сarlo Modeling of Magnetization Relaxation in Amorphous Re–Tb and Re–Gd Alloys

The Monte Carlo approach is used to study the relaxation of magnetization after switching off external magnetic field in models of amorphous Re–Tb and Re–Gd alloys, and pure amorphous Tb and Gd. A different type of magnetization relaxation is revealed for amorphous alloys with random anisotropy (Re–...

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Veröffentlicht in:Bulletin of the Russian Academy of Sciences. Physics 2022-05, Vol.86 (5), p.569-573
Hauptverfasser: Pashueva, I. M., Bondarev, A. V., Bataronov, I. L.
Format: Artikel
Sprache:eng
Schlagworte:
Amorphous alloys
Anisotropy
Gadolinium
Gadolinium base alloys
Hadrons
Heavy Ions
Magnetization
Metallic glasses
Nuclear Physics
Physics
Physics and Astronomy
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Zusammenfassung:The Monte Carlo approach is used to study the relaxation of magnetization after switching off external magnetic field in models of amorphous Re–Tb and Re–Gd alloys, and pure amorphous Tb and Gd. A different type of magnetization relaxation is revealed for amorphous alloys with random anisotropy (Re–Tb) and competition between exchange interactions of different signs (Re–Gd). Magnetization relaxation has two stages in Tb-based alloys, but it proceeds in one stage in the Gd-based alloys.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873822050185