Brillouin Light Scattering Study of the Spin Dynamics in Nanoscale Permalloy Stripes: Theory and Experiment (Articolo in rivista)

Type
Label
  • Brillouin Light Scattering Study of the Spin Dynamics in Nanoscale Permalloy Stripes: Theory and Experiment (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.mejo.2008.06.030 (literal)
Alternative label
  • Hoa T. Nguyen(1); G. Gubbiotti(2); M. Madami(2); S. Tacchi(2); M.G. Cottam(1) (2009)
    Brillouin Light Scattering Study of the Spin Dynamics in Nanoscale Permalloy Stripes: Theory and Experiment
    in Microelectronics journal; Academic Press Ltd., Elsevier Science Ltd., London (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Hoa T. Nguyen(1); G. Gubbiotti(2); M. Madami(2); S. Tacchi(2); M.G. Cottam(1) (literal)
Pagina inizio
  • 598 (literal)
Pagina fine
  • 600 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 40 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Department ofPhysicsandAstronomy,UniversityofWesternOntario,London,Ontario,CanadaN6A3K7 (2) CNISM, DipartimentodiFisica,Universita` di Perugia,ViaA.Pascoli,06123Perugia,Italy (literal)
Titolo
  • Brillouin Light Scattering Study of the Spin Dynamics in Nanoscale Permalloy Stripes: Theory and Experiment (literal)
Abstract
  • The spin-wavemodesinnanoscalepermalloystripesarestudiedusingBrillouinlightscatteringforthe case whereanexternalmagneticfieldisappliedtransverselytothelengthofthestripes.Byadjusting the magnitudeofthisexternalfield,theoverallmagnetizationmaybevariedbetweenthe approximatelytransverseandlongitudinalorientations.Theobservedspin-wavefrequenciesare analysed usingarecentlydevelopedmicroscopicdipole-exchangetheorythatisparticularly appropriate whenthemagnetizationdisplaysstrongspatialinhomogeneity.Comparisonbetween theoryandexperimentforthetwosizesofstripesstudiedgivesfairlygoodagreement,allowingthe magneticparametersofpermalloytobededuced.Asmallmagneticanisotropyoftheeasy-planetypeis shown toplayanimportantrole. (literal)
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