Anisotropy-graded magnetic media obtained by ion irradiation of L10 FePt (Articolo in rivista)

Type
Label
  • Anisotropy-graded magnetic media obtained by ion irradiation of L10 FePt (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.actamat.2013.04.064 (literal)
Alternative label
  • A. di Bona, P. Luches, F. Albertini, F. Casoli, P. Lupo, L. Nasi, S. D'Addato, G.C. Gazzadi, S. Valeri (2013)
    Anisotropy-graded magnetic media obtained by ion irradiation of L10 FePt
    in Acta materialia; Elsevier Science Ltd, Exeter (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. di Bona, P. Luches, F. Albertini, F. Casoli, P. Lupo, L. Nasi, S. D'Addato, G.C. Gazzadi, S. Valeri (literal)
Pagina inizio
  • 4840 (literal)
Pagina fine
  • 4847 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S1359645413003492 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 61 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 13 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Centro S3 CNR-NANO, Modena, Italy; IMEM-CNR, Parma, Italy; Dipartimento di Fisica Università di Modena e Reggio Emilia, Modena, Italy (literal)
Titolo
  • Anisotropy-graded magnetic media obtained by ion irradiation of L10 FePt (literal)
Abstract
  • We show that Ar+ irradiation can be used effectively to transform a chemically ordered FePt L10 homogeneous thin film into an anisotropy-graded composite media with tunable magnetic response. This can be exploited to produce magnetic media with high thermal stability and moderate coercivity with potential in high-density magnetic recording applications. The depth distribution of the chemical order parameter, which controls the magnetic switching mechanism of the system, has been determined by high-resolution transmission electron microscopy. The irradiation-induced modifications of the material have been modeled using Monte Carlo simulations for ion transport in solids. The magnetic properties and coupling regimes of the resulting exchange-coupled systems are discussed. (literal)
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