Rotatable anisotropy on ferromagnetic/antiferromagnetic bilayer investigated by Brillouin light scattering

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dc.contributor.authorOliveira, Alexandre Barbosa de
dc.contributor.authorRodrigues-Suarez, R. L.
dc.contributor.authorEstrada, F.
dc.contributor.authorMaior, D. S.
dc.contributor.authorArana, M.
dc.contributor.authorSantos, O. Alves
dc.contributor.authorAzevedo, A.
dc.contributor.authorRezende, S. M.
dc.date.accessioned2020-04-29T20:33:07Z
dc.date.available2020-04-29T20:33:07Z
dc.date.issued2018-01-23
dc.description.resumoThe nature of the rotatable anisotropy in ferromagnetic/antiferromagnetic (FM/AF) NiFe/IrMn bilayers has been investigated using magneto-optical Kerr effect magnetometry, ferromagnetic resonance, and Brillouin Light Scattering (BLS) techniques. The behavior of the magnon frequencies with an external magnetic field applied in the bilayer plane has been measured by BLS. The angular dependence of magnon frequency shows a shift when compared to numerical calculation for different magnetic field intensities. This frequency shift can be associated with the rotatable anisotropy and it depends on the magnetic field intensity. As a result, the rotatable anisotropy field exhibits a non-monotonic dependence on the applied field. The results are interpreted considering the coexistence of parallel and antiparallel coupling at the FM/AF interface.pt_BR
dc.identifier.citationOLIVEIRA, Alexandre Barbosa de et al. Rotatable anisotropy on ferromagnetic/antiferromagnetic bilayer investigated by Brillouin light scattering. Journal of Applied Physics, v. 123, p. 043901, 2018. ISSN 1089-7550 versão online. DOI https://doi.org/10.1063/1.5009461. Disponível em: https://aip.scitation.org/doi/10.1063/1.5009461. Acesso em: 29 abr. 2020.pt_BR
dc.identifier.doihttps://doi.org/10.1063/1.5009461
dc.identifier.issn0021-8979 (print), 1089-7550 (online)
dc.identifier.urihttps://repositorio.ufrn.br/jspui/handle/123456789/28837
dc.languageenpt_BR
dc.publisherAIP Publishingpt_BR
dc.subjectRotatable anisotropypt_BR
dc.subjectFerromagneticpt_BR
dc.subjectAntiferromagnetic bilayerpt_BR
dc.subjectLight scatteringpt_BR
dc.titleRotatable anisotropy on ferromagnetic/antiferromagnetic bilayer investigated by Brillouin light scatteringpt_BR
dc.typearticlept_BR

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