Navegando por Autor "Martins, S. M. S. B."
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Artigo Excitations of interface pinned domain walls in constrained geometries(AIP Publishing LLC, 2017-12-05) Carriço, Artur da Silva; Dantas, Ana Lucia; Martins, S. M. S. B.; Oliveira, L. L.; Rebouças, G. O. G.We report a theoretical investigation of the equilibrium pattern and the spectra of head-to-head and Neel domain walls of flat Fe and Py stripes, exchange coupled with a vicinal antiferromagnetic substrate. We show that the domain wall excitation spectrum is tunable by the strength of the interface field. Furthermore, strong interface coupling favors localized wall excitations.