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Habilitation à diriger des recherches

Structure, magnétisme local et dynamique de l'aimantation de couches minces couplées étudiés par Spectroscopie d'Absoption X et effet Kerr magnéto-optique

Abstract : In this thesis I present the results I obtained on the magnetic properties and magnetisation dynamics of magnetic thin films coupled across a non ferromagnetic or an antiferromagnetic layer. We used X-ray absorption spectroscopy (XMCD) as well as Kerr effect and Kerr microscopy in pump-probe mode. The time-resolved XMCD measurements exploit the time-structure of synchrotron radiation to get access to magnetisation dynamics with element selectivity. A recent extension of this technique is time-resolved PEEM microscopy.
These techniques have been used to study magnetisation dynamics in spin valve systems where the magnetostatic coupling influences the reversal mode. In Pt/Co multilayers coupled with an AF layer the magnetic domain structure is strongly influenced by the F/AF interaction.
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Habilitation à diriger des recherches
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https://tel.archives-ouvertes.fr/tel-00094606
Contributor : Stefania Pizzini <>
Submitted on : Thursday, September 14, 2006 - 4:56:56 PM
Last modification on : Friday, December 18, 2020 - 1:22:02 PM
Long-term archiving on: : Thursday, September 20, 2012 - 10:35:52 AM

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  • HAL Id : tel-00094606, version 1

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Stefania Pizzini. Structure, magnétisme local et dynamique de l'aimantation de couches minces couplées étudiés par Spectroscopie d'Absoption X et effet Kerr magnéto-optique. Matière Condensée [cond-mat]. Université Joseph-Fourier - Grenoble I, 2006. ⟨tel-00094606⟩

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