CobaltMaghrebV1, Main, Exploration, bibRecord, 000554

Compressed exponential form for disordered domain wall motion in ultra-thin Au/Co/Au ferromagnetic films

Identifieur interne : 000554 ( Main/Exploration ); précédent : 000553; suivant : 000555

Compressed exponential form for disordered domain wall motion in ultra-thin Au/Co/Au ferromagnetic films

Auteurs : A. Adanlete Adjanoh [Tunisie] ; R. Belhi [Tunisie] ; J. Vogel [France] ; M. Ayadi [Tunisie] ; K. Abdelmoula [Tunisie]

Source :

Journal of magnetism and magnetic materials [ 0304-8853 ] ; 2011.

RBID : Pascal:11-0120169

Descripteurs français

Pascal (Inist)
- Mouvement paroi domaine, Inversion aimantation, Codépôt, Epaisseur, Force coercitive, Anisotropie magnétique perpendiculaire, Or, Matériau ferromagnétique, Monocristal, Couche ultramince, Cobalt, Multicouche.
Wicri :
- topic : Or, Cobalt.

English descriptors

KwdEn :
- Cobalt, Codeposition, Coercive force, Domain wall motion, Ferromagnetic materials, Gold, Magnetization reversal, Monocrystals, Multilayers, Perpendicular magnetic anisotropy, Thickness, Ultrathin films.

Abstract

Magnetization reversal in ultra-thin Au/Co/Au films deposited on single crystal silicon (1 00) was investigated using Kerr microscopy. In the considered ultra-thin Co films, with a thickness between 0.7 and 1 nm, the coercivity and magnetic anisotropy decrease with decrease in cobalt layer thickness and the magnetization reversal dynamics is dominated by disordered domain wall motion. An analysis of the observed magnetization reversal dynamics is proposed, starting from the Fatuzzo-Labrune model. We show that the relaxation curves of these samples are well described by a function obtained by a technical transformation of Fatuzzo-Labrune model in the regime dominated by domain wall motion.

Affiliations:

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

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Le document en format XML

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<term>Ferromagnetic materials</term>
<term>Gold</term>
<term>Magnetization reversal</term>
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<term>Matériau ferromagnétique</term>
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<front><div type="abstract" xml:lang="en">Magnetization reversal in ultra-thin Au/Co/Au films deposited on single crystal silicon (1 00) was investigated using Kerr microscopy. In the considered ultra-thin Co films, with a thickness between 0.7 and 1 nm, the coercivity and magnetic anisotropy decrease with decrease in cobalt layer thickness and the magnetization reversal dynamics is dominated by disordered domain wall motion. An analysis of the observed magnetization reversal dynamics is proposed, starting from the Fatuzzo-Labrune model. We show that the relaxation curves of these samples are well described by a function obtained by a technical transformation of Fatuzzo-Labrune model in the regime dominated by domain wall motion.</div>
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Compressed exponential form for disordered domain wall motion in ultra-thin Au/Co/Au ferromagnetic films

Compressed exponential form for disordered domain wall motion in ultra-thin Au/Co/Au ferromagnetic films

Source :

Descripteurs français

English descriptors

Abstract

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

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri