Magnetic reversal in a YFe2 dominated DyFe2/YFe2 multilayer film

Magnetic reversal in a YFe2 dominated DyFe2/YFe2 multilayer film

Magnetic reversal in a (110)-oriented [DyFe2(60 Aa)/YFe2(240 Aa)]15 multilayer film is investigated using magnetometry, micro-magnetic modeling, and element-specific soft x-ray magnetic circular dichroism. At temperatures between similar to 60 and 120 K, the magnetic reversal involves a two-step pro...

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Veröffentlicht in:Applied physics letters 2012-08, Vol.101 (7), p.72412
Hauptverfasser: Stenning, G. B. G., Bowden, G. J., Gregory, S. A., Beaujour, J.-M. L., de Groot, P. A. J., van der Laan, G., Shelford, L. R., Bencok, P., Steadman, P., Dobrynin, A. N., Hesjedal, T.
Format: Artikel
Sprache:eng
Schlagworte:
Dichroism
Mathematical models
Multilayers
Soft x-rays
Springs
Switching
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Zusammenfassung:Magnetic reversal in a (110)-oriented [DyFe2(60 Aa)/YFe2(240 Aa)]15 multilayer film is investigated using magnetometry, micro-magnetic modeling, and element-specific soft x-ray magnetic circular dichroism. At temperatures between similar to 60 and 120 K, the magnetic reversal involves a two-step process. It is shown that the reversal mechanism can be described as switching from an in-plane [001] reversed anti-ferromagnetic state, to an out-of-plane [100] transverse spring exchange state, and finally to an in-plane [001[macr]] magnetic exchange spring state.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4746749