Ferromagnetic Resonance Study of Fe/FePt Coupled Films With Perpendicular Anisotropy (Articolo in rivista)

Type
Label
  • Ferromagnetic Resonance Study of Fe/FePt Coupled Films With Perpendicular Anisotropy (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Schmool D. S.; Apolinario A.; Casoli F.; Albertini F. (2008)
    Ferromagnetic Resonance Study of Fe/FePt Coupled Films With Perpendicular Anisotropy
    in IEEE transactions on magnetics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Schmool D. S.; Apolinario A.; Casoli F.; Albertini F. (literal)
Pagina inizio
  • 3087 (literal)
Pagina fine
  • 3090 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 44 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • In: Ieee Transactions on Magnetics, vol. 44 (11) pp. 3087 - 3090. IEEE, 2008. (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Physics and IN-IFIMUP, University of Porto, Porto, 4169-007 Portugal, CNR-IMEM, Parma (literal)
Titolo
  • Ferromagnetic Resonance Study of Fe/FePt Coupled Films With Perpendicular Anisotropy (literal)
Abstract
  • We have studied exchange coupled FePt/Fe magnetic layers using the technique of ferromagnetic resonance (FMR). The FePt layers show strong uniaxial perpendicular anisotropy, growing in the L1_0 epitaxial phase on MgO (100). We have considered the case for two thicknesses of Fe: 2 nm and 3.5 nm, which exhibit rigid magnet and exchange-spring behavior. All FePt thicknesses are limited to 10 nm. The FMR results display multipeaked spectra, where we have identi?ed three Fe resonance lines in the RM sample and an extra two in the ES sample. Angular FMR studies show a strong uniaxial anisotropy induced in the Fe layer via the strong exchange coupling with the FePt ?lm. An additional uniaxial component is also observed with an easy axis inclined by about 50 from the ?lm normal. Supplementary magnetic measurements aid with the magnetic characterization. We also discuss the elements for the theory of FMR in these exchanged coupled systems. (literal)
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