CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000045

Spin-Wave Excitations in Evaporated Co/Pt Multilayers

Identifieur interne : 000045 ( Maroc/Analysis ); précédent : 000044; suivant : 000046

Spin-Wave Excitations in Evaporated Co/Pt Multilayers

Auteurs : H. Salhi [Maroc] ; K. Chafai [Maroc] ; O. Msieh [Maroc] ; H. Lassri [Maroc] ; K. Benkirane [Maroc] ; M. Abid [Maroc] ; L. Bessais [France] ; E. K. Hlil [France]

Source :

Journal of superconductivity and novel magnetism [ 1557-1939 ] ; 2011.

RBID : Pascal:11-0378010

Descripteurs français

Pascal (Inist)
- Onde spin, Aimantation, Résonance ferromagnétique, Résonance onde spin, Interaction échange, Aimantation spontanée, Epaisseur, Mesure magnétique, Multicouche, Cobalt, Platine, Métal transition.
Wicri :
- topic : Cobalt, Platine.

English descriptors

KwdEn :
- Cobalt, Exchange interactions, Ferromagnetic resonance, Magnetic measurement, Magnetization, Multilayers, Platinum, Spin wave resonance, Spin waves, Spontaneous magnetization, Thickness, Transition elements.

Abstract

The magnetic properties of evaporated Co/Pt multilayers have been studied by magnetic measurements and ferromagnetic resonance (FMR). The spin-wave resonances were observed in some multilayers in FMR experiments, which implied that spin waves were sustained by the whole and propagated through Pt layers. The relation of the resonance field H_res with the mode number n obeys the so-called n² law and the interlayer coupling strength J_I has been determined. The temperature dependence of the spontaneous magnetization can be well described by Bloch's law, in all multilayers. The increase of the spin-wave parameter B with decreasing cobalt thickness has been discussed. A spin-wave theory has been used to explain the temperature dependence of the magnetization and the approximate values for the bulk exchange interaction J_b and surface exchange interaction J_S for various Co/Pt multilayers have been obtained.

Affiliations:

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Pascal:11-0378010

Le document en format XML

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<author><name sortKey="Hlil, E K" sort="Hlil, E K" uniqKey="Hlil E" first="E. K." last="Hlil">E. K. Hlil</name>
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<term>Magnetization</term>
<term>Multilayers</term>
<term>Platinum</term>
<term>Spin wave resonance</term>
<term>Spin waves</term>
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<front><div type="abstract" xml:lang="en">The magnetic properties of evaporated Co/Pt multilayers have been studied by magnetic measurements and ferromagnetic resonance (FMR). The spin-wave resonances were observed in some multilayers in FMR experiments, which implied that spin waves were sustained by the whole and propagated through Pt layers. The relation of the resonance field H<sub>res</sub>
 with the mode number n obeys the so-called n<sup>2</sup>
 law and the interlayer coupling strength J<sub>I</sub>
 has been determined. The temperature dependence of the spontaneous magnetization can be well described by Bloch's law, in all multilayers. The increase of the spin-wave parameter B with decreasing cobalt thickness has been discussed. A spin-wave theory has been used to explain the temperature dependence of the magnetization and the approximate values for the bulk exchange interaction J<sub>b</sub>
 and surface exchange interaction J<sub>S</sub>
 for various Co/Pt multilayers have been obtained.</div>
</front>
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Spin-Wave Excitations in Evaporated Co/Pt Multilayers

Spin-Wave Excitations in Evaporated Co/Pt Multilayers

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri