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19 April 2024

» arxiv » cond-mat/0405651

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Angular-dependence of magnetization switching for a multi-domain dot: experiment and simulation
O. Fruchart ; J. C. Toussaint ; P. O. Jubert ; W. Wernsdorfer ; R. Hertel ; D. Mailly ; J. Kirschner ;
Date:	27 May 2004
Subject:	Materials Science \| cond-mat.mtrl-sci
Abstract:	We have measured the in-plane angular variation of nucleation and annihilation fields of a multi-domain magnetic single dot with a microsquid. The dots are Fe/Mo(110) self-assembled in UHV, with sub-micron size and a hexagonal shape. The angular variations were quantitatively reproduced by micromagnetic simulations. Discontinuities in the variations are observed, and shown to result from bifurcations related to the interplay of the non-uniform magnetization state with the shape of the dot.
Source:	arXiv, cond-mat/0405651
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