Structural and magnetic properties of Mn5Ge3 nanoclusters dispersed (Articolo in rivista)

Type
Label
  • Structural and magnetic properties of Mn5Ge3 nanoclusters dispersed (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • De Padova, P., L. Favre, I. Berbezier, B. Olivieri , A. Generosi, B. Paci,V. Rossi Albertini, P. Perfetti, C. Quaresima, J.-M. Mariot, A. Taleb-Ibrahimi, M.C. Richter, O.Heckmann, F. D’Orazio, F. Lucari, K. Hricovini (2007)
    Structural and magnetic properties of Mn5Ge3 nanoclusters dispersed
    in Surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • De Padova, P., L. Favre, I. Berbezier, B. Olivieri , A. Generosi, B. Paci,V. Rossi Albertini, P. Perfetti, C. Quaresima, J.-M. Mariot, A. Taleb-Ibrahimi, M.C. Richter, O.Heckmann, F. D’Orazio, F. Lucari, K. Hricovini (literal)
Pagina inizio
  • 4370 (literal)
Pagina fine
  • 4374 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 601 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Structural and magnetic properties of Mn5Ge3 nanoclusters dispersed (literal)
Abstract
  • We investigated the structural and magnetic properties of MnxGe1x, with 0.02 6 x 6 0.1. The MnxGe1x samples were grown on Ge(001)2 · 1 by molecular beam epitaxy, at a substrate temperature of 520 K. The samples were characterized in situ by reflection high-energy electron diffraction and ex situ by high-resolution transmission electron microscopy, energy dispersive X-ray reflectivity and magneto-optical Kerr effect. From microscopy images we evidenced on all samples the presence of Mn5Ge3 nanocrystallites in addition to the MnxGe1x diluted magnetic semiconductor with an estimated Mn concentration x 1.5%. The size and the density of the Mn5Ge3 precipitates were found to increase with increasing the Mn concentration x. Magnetic analysis showed ferromagnetism with a Curie temperature of 280 K for all samples. (literal)
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