Magnetic studies of spin wave excitations in Fe/Pt multilayers

The magnetization of Fe/Pt multilayers has been measured as a function of temperature. For Fe/Pt multilayers with fixed iron layer thickness of 2.5 Å, the magnetization decreases faster with temperature as the platinum layers are made thicker. A simple theoretical model has been used to explain the...

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Veröffentlicht in:	Journal of materials science. Materials in electronics 2005-06, Vol.16 (6), p.323-327
Hauptverfasser:	ELKABIL, R, BENKIRANE, K, BENRABH, M, LASSRI, H, HAMDOUN, A, ABID, M, LASSRI, M, KRISHNAN, R
Format:	Artikel
Sprache:	eng
Schlagworte:	Approximation Condensed matter: electronic structure, electrical, magnetic, and optical properties Electronics Exact sciences and technology Interfacial magnetic properties (multilayers, magnetic quantum wells, superlattices, magnetic heterostructures) Interlayers Intrinsic properties of magnetically ordered materials Iron Magnetic properties and materials Magnetic properties of surface, thin films and multilayers Magnetically ordered materials: other intrinsic properties Magnetization Multilayers Physics Platinum Spin waves Studies
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Zusammenfassung:	The magnetization of Fe/Pt multilayers has been measured as a function of temperature. For Fe/Pt multilayers with fixed iron layer thickness of 2.5 Å, the magnetization decreases faster with temperature as the platinum layers are made thicker. A simple theoretical model has been used to explain the temperature dependence of the magnetization. From the model the approximate values for the bulk exchange interaction J^sub b^ and the interlayer coupling strength J^sub I^ for various Fe/Pt multilayers have been obtained.[PUBLICATION ABSTRACT]
ISSN:	0957-4522 1573-482X
DOI:	10.1007/s10854-005-1142-x