Reversible control of magnetism in FeRh thin films

The multilayer of approximate structure MgO(100)/[ n Fe 51 Rh 49 (63 Å)/ 57 Fe 51 Rh 49 (46 Å)] 10 deposited at 200 °C is primarily of paramagnetic A1 phase and is fully converted to the magnetic B2 phase by annealing at 300 °C for 60 min. Subsequent irradiation by 120 keV Ne + ions turns the thin f...

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Veröffentlicht in:Scientific reports 2020-08, Vol.10 (1), p.13923-13923, Article 13923
Hauptverfasser: Merkel, Dániel G., Lengyel, Attila, Nagy, Dénes L., Németh, Attila, Horváth, Zsolt E., Bogdán, Csilla, Gracheva, Maria A., Hegedűs, Gergő, Sajti, Szilárd, Radnóczi, György Z., Szilágyi, Edit
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container_title Scientific reports
container_volume 10
creator Merkel, Dániel G.
Lengyel, Attila
Nagy, Dénes L.
Németh, Attila
Horváth, Zsolt E.
Bogdán, Csilla
Gracheva, Maria A.
Hegedűs, Gergő
Sajti, Szilárd
Radnóczi, György Z.
Szilágyi, Edit
description The multilayer of approximate structure MgO(100)/[ n Fe 51 Rh 49 (63 Å)/ 57 Fe 51 Rh 49 (46 Å)] 10 deposited at 200 °C is primarily of paramagnetic A1 phase and is fully converted to the magnetic B2 phase by annealing at 300 °C for 60 min. Subsequent irradiation by 120 keV Ne + ions turns the thin film completely to the paramagnetic A1 phase. Repeated annealing at 300 °C for 60 min results in 100% magnetic B2 phase, i.e. a process that appears to be reversible at least twice. The A1 → B2 transformation takes place without any plane-perpendicular diffusion while Ne + irradiation results in significant interlayer mixing.
doi_str_mv 10.1038/s41598-020-70899-x
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subjects 639/301/1005
639/301/1005/1008
639/301/357
639/925/357
639/925/927
Annealing
Electric fields
Energy efficiency
Humanities and Social Sciences
Information storage
Information technology
Investigations
Irradiation
Magnetism
Molecular beam epitaxy
multidisciplinary
Multidisciplinary Sciences
Phase transitions
Radiation
Science
Science & Technology
Science & Technology - Other Topics
Science (multidisciplinary)
Thin films
title Reversible control of magnetism in FeRh thin films
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