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The correlation between mechanical stress and magnetic properties of cobalt ultra thin films

Identifieur interne : 000B24 ( Main/Exploration ); précédent : 000B23; suivant : 000B25

The correlation between mechanical stress and magnetic properties of cobalt ultra thin films

Auteurs : R. Belhi [Tunisie] ; N. Mliki [Tunisie] ; S. Jomni [Tunisie] ; M. Ayadi [Tunisie] ; K. Abdelmoula [Tunisie] ; P. Gergaud [France] ; G. Clugnet [France] ; A. Charai [France]

Source :

RBID : Pascal:02-0531729

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English descriptors

Abstract

In this study, a series of epitaxial Co ultrathin films sandwiched by Au has been grown by electron beam evaporation, onto glass substrates of two different thicknesses. The Co thickness varies from 1 to 3 nm for each series. The dependence of the magnetic anisotropy for the two series is consistent with the variation of the mechanical film stress. We compare the magnetic properties of both series. Stress measurements are performed, by electron diffraction and optical deflection techniques, to investigate the correlation between mechanical film stress and magnetic anisotropy.


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<div type="abstract" xml:lang="en">In this study, a series of epitaxial Co ultrathin films sandwiched by Au has been grown by electron beam evaporation, onto glass substrates of two different thicknesses. The Co thickness varies from 1 to 3 nm for each series. The dependence of the magnetic anisotropy for the two series is consistent with the variation of the mechanical film stress. We compare the magnetic properties of both series. Stress measurements are performed, by electron diffraction and optical deflection techniques, to investigate the correlation between mechanical film stress and magnetic anisotropy.</div>
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