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Magnetic Order and Coupling Phenomena
A Study of Magnetic Structure and Magnetization Reversal Processes in Rare-Earth-Transition-Metal Based Alloys and Heterostructures
Sofort lieferbar | Lieferzeit: Sofort lieferbar I
ISBN-13:
9783319071060
Veröffentl:
2014
Seiten:
121
Autor:
Christian Schubert
Serie:
Springer Theses
eBook Typ:
PDF
eBook Format:
EPUB
Kopierschutz:
1 - PDF Watermark
Sprache:
Englisch
Beschreibung:
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.
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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