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Article Dans Une Revue Physical Review Letters Année : 2010

Dynamic Binding of Driven Interfaces in Coupled Ultrathin Ferromagnetic Layers

Résumé

We demonstrate experimentally dynamic interface binding in a system consisting of two coupled ferromagnetic layers. While domain walls in each layer have different velocity-field responses, for two broad ranges of the driving field H, walls in the two layers are bound and move at a common velocity. The bound states have their own velocity-field response and arise when the isolated wall velocities in each layer are close, a condition which always occurs as H ! 0. Several features of the bound states are reproduced using a one-dimensional model, illustrating their general nature.
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hal-01683840 , version 1 (23-05-2019)

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P. J. Metaxas, R. L. Stamps, J. P. Jamet, J. Ferré, Vincent Baltz, et al.. Dynamic Binding of Driven Interfaces in Coupled Ultrathin Ferromagnetic Layers. Physical Review Letters, 2010, 104, pp.237206. ⟨10.1103/PhysRevLett.104.237206⟩. ⟨hal-01683840⟩
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