Angular-dependence of magnetization switching for a multi-domain dot: experiment and simulation

Details Angular-dependence of magnetization switching for a multi-domain dot: experiment and simulation Angular-dependence of magnetization switching for a multi-domain dot: experiment and simulation

2004-05-27

arxiv.org/abs/cond-mat/0405651v1

Physics

Condensed Matter

Materials Science

4 pages, 4 figures, for submission as a regular article

Scientific paper

10.1103/PhysRevB.70.172409

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.

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