DOMAIN WALLS IN MAGNETO-ELASTIC HETEROSTRUCTURES: MODELING AND EXPERIMENT
Résumé
This paper presents the results of modeling and experimental study of the domain structure and magnetization reversal processes of magneto-elastic parabolic-shaped nanostripes. Multilayered magnetostrictive films of TbCo2/FeCo composition were deposited onto piezoelectric PMN-PT substrates by RF sputtering using a Leybold Z550 equipment. The deposition was made under a magnetic field generated by permanent magnets in order to induce a magnetic easy axis anisotropy in the desired direction in the plane of the multilayer film. Then, micro- and nanostructures of various shapes were formed in the films by lithography for experimental study of magnetization distribution, processes of magnetization reversal, formation and movement of domain walls in the films.
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