Field-cooling dependence of exchange bias in a granular system of Fe nanoparticles embedded in an Fe oxide matrix (Articolo in rivista)

Type
Label
  • Field-cooling dependence of exchange bias in a granular system of Fe nanoparticles embedded in an Fe oxide matrix (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.70.052401 (literal)
Alternative label
  • Del Bianco L. (1), Fiorani D. (2), Testa A. M. (2), Bonetti E. (3), Savini L. (3) (2004)
    Field-cooling dependence of exchange bias in a granular system of Fe nanoparticles embedded in an Fe oxide matrix
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Del Bianco L. (1), Fiorani D. (2), Testa A. M. (2), Bonetti E. (3), Savini L. (3) (literal)
Pagina inizio
  • 052401 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 70 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1) Istituto di Struttura della Materia, CNR. C.P. 10, 00016 Monterotondo Scalo (Rome), Italy and Istituto Nazionale per la Fisica della Materia, Dipartimento di Fisica, Università di Bologna, I-40127 Bologna, Italy; 2) Istituto di Struttura della Materia, CNR. C.P. 10, 00016 Monterotondo Scalo (Rome), Italy; 3) Istituto Nazionale per la Fisica della Materia, Dipartimento di Fisica, Università di Bologna, I-40127 Bologna, Italy; (literal)
Titolo
  • Field-cooling dependence of exchange bias in a granular system of Fe nanoparticles embedded in an Fe oxide matrix (literal)
Abstract
  • The exchange bias properties of a granular system composed of Fe nanoparticles (mean size similar to6 nm) embedded in an Fe oxide matrix have been studied. The effect of the cooling field on the exchange field, coercivity and remanent magnetization at T=5 K has been investigated. The observed variations are explained in terms of interfacial exchange coupling between a ferromagnetic phase (the Fe particles) and a disordered magnetic phase (the oxide matrix), whose spin configuration is strongly affected by the cooling field. (literal)
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