Navegando por Autor "Dantas, J. T. S."
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Artigo Dipolar field effects on the critical current for spin transfer switch of iron and permalloy nanoelements(AIP Publishing LLC, 2014-02-10) Carriço, Artur da Silva; Oliveira, L. L.; Dantas, J. T. S.; Dantas, Ana L.; Souza, R. M.We report a theoretical study of dipolar effects on the switching current density of soft ferromagnetic elliptical nanoelements. Relevant changes on the critical current value are found according to the orientation of the magnetization and the spin polarization with the major axis. We show that the critical current density may be reduced by as much as 92% for thin nanoelements magnetized along the minor axis direction, using in-plane spin polarization parallel to the magnetization.