Christian Schubert 
Magnetic Order and Coupling Phenomena [PDF ebook] 
A Study of Magnetic Structure and Magnetization Reversal Processes in Rare-Earth-Transition-Metal Based Alloys and Heterostructures

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This thesis presents recent developments in magnetic coupling phenomena of ferrimagnetic rare-earth transition-metal Tb-Fe alloys and coupled systems consisting of ferri-/ferromagnetic heterostructures. Taking advantage of the tunability of the exchange coupling between ferrimagnetic and ferromagnetic layers by means of stoichiometry of the Tb-Fe layer, the variable number of repetitions in the Co/Pt multilayer as well as the thickness of an interlayer spacer, it is demonstrated that large perpendicular unidirectional anisotropy can be induced at room temperature. This robust perpendicular exchange bias at room temperature opens up a path towards applications in spintronics.

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Table des matières

Introduction.- Thin Amorphous Fe-Tb Alloy Films.- Co/Pt Multilayers.- Exchange-Bias Effect in F/FI Rare-Earth-Transition-Metal Heterostructures.- Experimental Techniques.- Magnetic Order in Thin Fe-Tb Films.- Percolated Fe-Tb Nanodot Arrays – Exchange Interaction and Magnetization Reversal.- Interfacial Exchange Coupling in Heterostructures of Fe-Tb Alloy Films and Co/Pt Multilayers.- Interlayer Exchange Coupling Through Pt Spacer Layers in Fe-Tb/Pt/[Co/Pt] Heterostructures.- Conclusion.

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Langue Anglais ● Format PDF ● Pages 121 ● ISBN 9783319071060 ● Taille du fichier 5.6 MB ● Maison d’édition Springer International Publishing ● Lieu Cham ● Pays CH ● Publié 2014 ● Téléchargeable 24 mois ● Devise EUR ● ID 5233254 ● Protection contre la copie DRM sociale

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