Interplay between particle anisotropy and exchange interaction in Fe nanoparticle films (Articolo in rivista)

Type
Label
  • Interplay between particle anisotropy and exchange interaction in Fe nanoparticle films (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.83.214422 (literal)
Alternative label
  • Iannotti V., Amoruso S., Ausanio G., Wang X., Lanotte L., Barone A.C., Margaris G., Trohidou K.N., Fiorani D. (2011)
    Interplay between particle anisotropy and exchange interaction in Fe nanoparticle films
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Iannotti V., Amoruso S., Ausanio G., Wang X., Lanotte L., Barone A.C., Margaris G., Trohidou K.N., Fiorani D. (literal)
Pagina inizio
  • 214422 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 83 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • http://dx.doi.org/10.1103/PhysRevB.83.214422 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-SPIN and Department of Physical Sciences, Naples University “Federico II,” p.le V. Tecchio 80, I-80125 Napoli, Italy Nanobiotechnology Facilities–Istituto Italiano di Tecnologia (IIT), Via Morego 30 I-16163 Genova, Italy Institute of Materials Science, NCSR “Demokritos,” Aghia Paraskevi, 15310 Athens, Greece ISM–CNR, Area della Ricerca, Roma1, Via Salaria km 29.300, C.P. 10, 00016 Monterotondo Scalo (RM), Italy (literal)
Titolo
  • Interplay between particle anisotropy and exchange interaction in Fe nanoparticle films (literal)
Abstract
  • The magnetic properties of Fe nanoparticles films were investigated by magnetization measurements and Monte Carlo simulations. The films were produced by femtosecond pulsed laser deposition assisted by irradiation of nanoparticles with a nanosecond UV laser pulse, appropriately delayed, during their flight from the target to the substrate. The films consist of nanoparticles with a disklike shape. The initial magnetization curve exhibits a stepwise behavior, characterized by a reversible plateau followed by rapid irreversible increments. The observed behavior, induced by the peculiar nanoparticle film morphology, is the result of the competition between particle anisotropy, dipole-dipole interactions, and interparticle exchange coupling. This picture is supported by Monte Carlo simulations, satisfactorily reproducing the experimental observations. (literal)
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