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dc.contributor.authorFermin, Jose R.pt_BR
dc.contributor.authorAzevedo, Antoniopt_BR
dc.contributor.authorRezende, Sergio Machadopt_BR
dc.contributor.authorPereira, Luis Gustavopt_BR
dc.contributor.authorTeixeira, Sergio Ribeiropt_BR
dc.date.accessioned2014-05-17T02:06:53Zpt_BR
dc.date.issued1998pt_BR
dc.identifier.issn0021-8979pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/95360pt_BR
dc.description.abstractIn-plane ferromagnetic resonance (FMR) has been used to study the room-temperature magnetic and crystalline properties of Nd/Fe bilayers. Several samples were grown by electron beam evaporation onto Si(111) substrates, for various Fe and Nd thicknesses. The symmetry of the resonance field as a function of the azimuthal angle departs from the sixfold one expected for a (111)Fe film. The FMR data were analyzed in the framework of a phenomenological model, which takes into account firstand second-order magnetocrystalline, uniaxial and perpendicular anisotropies. Our analysis reveals that the deviation from the sixfold symmetry is due to a combined effect of an induced uniaxial in-plane anisotropy with a small misorientation of the substrate surface from the (111) plane. We suggest that the in-plane uniaxial anisotropy may originate from an arrangement of (111) terraces separated by well oriented atomic steps formed during the small miscut. The effect of the Nd overlayer is to induce a perpendicular anisotropy which is not sufficiently large to overcome the demagnetizing field and push the magnetization entirely out-of-plane.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofJournal of Applied Physics. Woodbury. Vol. 83, no. 9 (May 1998), p. 4869-4873pt_BR
dc.rightsOpen Accessen
dc.subjectFísica da matéria condensadapt_BR
dc.subjectRessonancia ferromagneticapt_BR
dc.subjectMagnetizaçãopt_BR
dc.subjectPropriedades magneticas de filmes finospt_BR
dc.titleMagnetic properties of Nd/Fe double layers grown on Si(111) by electron beam evaporationpt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000124311pt_BR
dc.type.originEstrangeiropt_BR


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