Influence of the surface structure on the magnetic properties of Zn1-xCoxO (Articolo in rivista)

Type
Label
  • Influence of the surface structure on the magnetic properties of Zn1-xCoxO (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4772473 (literal)
Alternative label
  • G. Ciatto, A. Di Trolio, E. Fonda, L. Amidani, F. Boscherini, M. Thomasset, P. Alippi, A. Amore Bonapasta (2012)
    Influence of the surface structure on the magnetic properties of Zn1-xCoxO
    in Applied physics letters; American Institute Of Physics (AIP), Melville (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • G. Ciatto, A. Di Trolio, E. Fonda, L. Amidani, F. Boscherini, M. Thomasset, P. Alippi, A. Amore Bonapasta (literal)
Pagina inizio
  • 252101 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 101 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP48, 91192 Gif-sur-Yvette Cedex, France CNR-Istituto dei Sistemi Complessi, Via Salaria km. 29,300, I-00016 Monterotondo Stazione, Italy Department of Physics and CNISM, University of Bologna, viale C. Berti Pichat 6/2, 40127 Bologna, Italy IOM-CNR, Laboratorio TASC, Area Science Park, SS 14 km 163.5, 34159 Basovizza (TS), Italy CNR-Istituto di Struttura della Materia, Via Salaria km. 29,300, I-00016 Monterotondo Stazione, Italy (literal)
Titolo
  • Influence of the surface structure on the magnetic properties of Zn1-xCoxO (literal)
Abstract
  • The surface of ferromagnetic Zn1-xCoxO wurtzite epilayers has been studied by coupling atomic force microscopy and advanced x-ray spectroscopy. We found that, even in high-quality epilayers, the formation of Co clusters and iso-space-group Co-rich regions can take place at the sample surface while the bulk maintains random Co distribution. Comparing structural characterization with magnetometry, we show that these surface modifications are not at the origin of the magnetic properties of the material. Quite the reverse, ferromagnetic behavior is enhanced in the sample characterized by the less defective surface. (literal)
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