[Co/Pd]-CoFeB exchange spring magnets with tunable gap of spin wave excitations (Articolo in rivista)

Type
Label
  • [Co/Pd]-CoFeB exchange spring magnets with tunable gap of spin wave excitations (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0022-3727/47/49/495004 (literal)
Alternative label
  • S. Tacchi (1); T.N. Anh Nguyen (2,3); G. Gubbiotti (1); M. Madami (4); G. Carlotti (4,5); M.G. Pini (6); A. Rettori (5,7); V. Fallahi (8); R.K. Dumas (9); Johan Åkerman (2,9) (2014)
    [Co/Pd]-CoFeB exchange spring magnets with tunable gap of spin wave excitations
    in Journal of physics. D, Applied physics (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • S. Tacchi (1); T.N. Anh Nguyen (2,3); G. Gubbiotti (1); M. Madami (4); G. Carlotti (4,5); M.G. Pini (6); A. Rettori (5,7); V. Fallahi (8); R.K. Dumas (9); Johan Åkerman (2,9) (literal)
Pagina inizio
  • 495004-1 (literal)
Pagina fine
  • 495004-6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • This work was supported by MIUR-PRIN 2010-11 Project 2010ECA8P3 'DyNanoMag'. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0022-3727/47/49/495004/pdf/0022-3727_47_49_495004.pdf (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 47 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 49 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Istituto Officina dei Materiali del CNR (CNR-IOM ) - Unità di Perugia, c/o Dipartimento di Fisica e Geologia, Perugia, Italy; (2) Materials and Nano Physics, Royal Institute of Technology (KTH), 164 40 Stokholm-Kista, Sweden; (3) Spintronics Research Group, Laboratory for Nanotechnology, Vietnam National University, Ho Chi Minh City, Vietnam; (4) Dipartimento di Fisica e Geologia, Università di Perugia, Perugia, Italy; (5) Centro S3, c/o Istituto Nanoscienze del CNR (CNR-NANO), I-41125 Modena, Italy; (6) Istituto dei Sistemi Complessi del CNR (CNR-ISC), Unità di Firenze, I-50019 Sesto Fiorentino (FI), Italy; (7) Dipartimento di Fisica ed Astronomia, Università di Firenze, I-50019 Sesto Fiorentino (FI), Italy; (8) Faculty of Physics, Amirkabir University of Technology, Hafez Ave., 1591634311 Tehran, Iran; (9) Department of Physics, University of Gothenburg, 412 96 Gothenburg, Sweden (literal)
Titolo
  • [Co/Pd]-CoFeB exchange spring magnets with tunable gap of spin wave excitations (literal)
Abstract
  • Exchange spring magnets, consisting of a [Co(0.5 nm)/Pd(1 nm)]5 multilayer with perpendicular magnetic anisotropy and a Co20Fe60B20 film with easy plane anisotropy, of variable thickness tCFB, are investigated using Brillouin light scattering. On reducing tCFB in the range 0.8-2.3 nm, the spin-wave frequency gap displays a remarkable increase from nearly 4-48 GHz, reflecting the corresponding rapid growth of the tilting angle of the magnetization with respect to the film normal. These findings are interpreted using a one-dimensional model in which each atomic layer is assumed to be uniformly magnetized, subjected to an effective out-of-plane or easy-plane anisotropy depending on the layer position in the stack, and exchange coupled to its two nearest neighbour atomic layers. With respect to previously investigated [Co/Pd]-NiFe hybrid magnets, a largest frequency tunability, restricted to a narrower range of the soft layer thickness, is observed. (literal)
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Insieme di parole chiave di
data.CNR.it