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Habilitation à diriger des recherches

Contribution à l'étude des propriétés de matériaux magnétiques nanostructurés

Abstract : This manuscript is presenting a years work on soft magnetic materials. Starting from some general considerations on the influence of size on physical systems, will propose a new classification of nanostructured material and its relevence in magntism. In a second step, a critical review of random anisotropy done with intention to show the relevence of shape anisotropy in Finemet type systems. A study of phase transition in FeCo based nanocrystallne materials is presented with emphasis on the role of cristalline fraction. In a third step, properties of soft magnetic composites processed from powder are presented, followed by a discussion on the magnetic structure of nanoparticles based on electron holography experiments. Finally, prospective of this work is presented.
Keywords : magnetism
Document type :
Habilitation à diriger des recherches
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https://tel.archives-ouvertes.fr/tel-00137137
Contributor : Frederic Mazaleyrat <>
Submitted on : Friday, March 16, 2007 - 4:50:35 PM
Last modification on : Monday, February 15, 2021 - 10:50:27 AM
Long-term archiving on: : Tuesday, April 6, 2010 - 10:19:51 PM

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  • HAL Id : tel-00137137, version 1

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Frédéric Mazaleyrat. Contribution à l'étude des propriétés de matériaux magnétiques nanostructurés. Energie électrique. Université Paris Sud - Paris XI, 2005. ⟨tel-00137137⟩

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