X-ray magnetic circular dichroism study of iron/iron oxide granular nanostructures (Articolo in rivista)

Type
Label
  • X-ray magnetic circular dichroism study of iron/iron oxide granular nanostructures (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Signorini, L; Pasquini, L; Boscherini, F; Bonetti, E; Letard, I; Brice-Profeta, S; Sainctavit, P (2006)
    X-ray magnetic circular dichroism study of iron/iron oxide granular nanostructures
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Signorini, L; Pasquini, L; Boscherini, F; Bonetti, E; Letard, I; Brice-Profeta, S; Sainctavit, P (literal)
Pagina inizio
  • 20 (literal)
Pagina fine
  • 24 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 246 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Bologna, Dept Phys, I-40127 Bologna, Italy; Univ Bologna, INFM, CNR, I-40127 Bologna, Italy; European Synchrotron Radiat Facil, F-38043 Grenoble, France; LTPCM Domaine Univ, ENSEEG, F-38402 St Martin Dheres, France; CNRS, UMR 7590, IMPMC, F-75252 Paris 05, France; UPMC, F-75252 Paris 05, France (literal)
Titolo
  • X-ray magnetic circular dichroism study of iron/iron oxide granular nanostructures (literal)
Abstract
  • We present a study of the local magnetic properties of an iron/iron oxide nanostructured granular system by X-ray magnetic circular dichroism. The samples investigated consist of metallic iron (alpha-Fe) nanoparticles embedded in a nanocrystalline oxide matrix composed by both magnetite (Fe3O4) and maghemite (gamma-Fe2O3). Samples were obtained by the inert gas condensation technique. Thanks to the chemical and site selectivity of XMCD, we were able to distinguish the magnetic contributions of the metallic core and of the two oxide phases present. in the matrix and independently study their behaviour as a function of iron particle size, applied magnetic field, sample temperature and magnetization history. (c) 2006 Elsevier B.V. All rights reserved. (literal)
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