Serveur d'exploration sur le cobalt au Maghreb

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Effect of grain misorientation on the stripe domains in evaporated cobalt films

Identifieur interne : 000195 ( France/Analysis ); précédent : 000194; suivant : 000196

Effect of grain misorientation on the stripe domains in evaporated cobalt films

Auteurs : S. M. Cherif [France] ; Y. Roussigne [France] ; A. Kharmouche [France, Algérie] ; T. Chauveau [France] ; D. Billet [France]

Source :

RBID : Pascal:05-0326217

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English descriptors

Abstract

X-ray diffraction and magnetic force microscopy techniques were used to investigate the structural and the static magnetic properties of vapor-deposited cobalt films with various thicknesses t ranging from 50 to 195 nm. Texture measurements revealed that as the thickness increases, the films become predominantly c-axis oriented. Magnetic stripe domains structure was only observed for the thicker films, with t = 195, 173 and 125 nm, while such a magnetic configuration was expected for all the samples based on the theoretical studies. Since the layers present increasing c-axis misorientation when the thickness decreases, we assume that this effect can prevent the stripe domains formation. This behavior is qualitatively explained by a simple model which describes the stripe domains structure taking into account the role of a small misorientation of the anisotropy axis.


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Pascal:05-0326217

Le document en format XML

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<term>Magnetic properties</term>
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