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Dissertation / PhD Thesis/Book | PreJuSER-10492 |
2010
Forschungszentrum Jülich Gmbh Zentralbibliothek, Verlag
Jülich
Please use a persistent id in citations: http://hdl.handle.net/2128/3800 http://hdl.handle.net/2128/3780
Report No.: Juel-4322
Abstract: The investigations carried out in this thesis concern the ultrafast dynamics of a fundamental micromagnetic confiuration: the vortex. Over the past decade, a detailed understanding of the dynamic and static properties of such magnetic nanostructures has been achieved as a result of close interplay between experiments, theory and numeric simulations. Here, micromagnetic simulations were performed based on the finite-element method. The vortex structure arises in laterally-confined ferromagnets, in particular in thin-lm elements, and is characterized by an in-plane curling of the magnetic moments around a very stable and narrow core. In the present study, a novel process in micromagnetism was found:...
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