Electronic properties of embedded MnAs nano-clusters in a GaAs matrix and (Ga,Mn)As films: Evidence of distinct metallic character (Articolo in rivista)

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  • Electronic properties of embedded MnAs nano-clusters in a GaAs matrix and (Ga,Mn)As films: Evidence of distinct metallic character (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4704778 (literal)
Alternative label
  • Salles, BR [ 1,2 ] ; Girard, JC [ 3 ] ; David, C [ 3 ] ; Offi, F [ 4,5 ] ; Borgatti, F [ 6 ] ; Eddrief, M [ 1 ] ; Etgens, VH [ 1,7 ] ; Simonelli, L [ 8 ] ; Marangolo, M [ 1 ] ; Panaccione, G [2] (2012)
    Electronic properties of embedded MnAs nano-clusters in a GaAs matrix and (Ga,Mn)As films: Evidence of distinct metallic character
    in Applied physics letters; American Institute of Physics, Woodbury [NY] (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Salles, BR [ 1,2 ] ; Girard, JC [ 3 ] ; David, C [ 3 ] ; Offi, F [ 4,5 ] ; Borgatti, F [ 6 ] ; Eddrief, M [ 1 ] ; Etgens, VH [ 1,7 ] ; Simonelli, L [ 8 ] ; Marangolo, M [ 1 ] ; Panaccione, G [2] (literal)
Pagina inizio
  • 203121 (literal)
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  • http://biblioproxy.cnr.it:2093/10.1063/1.4704778 (literal)
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  • 100 (literal)
Rivista
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  • 4 (literal)
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  • 20 (literal)
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  • ISI Web of Science (WOS) (literal)
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  • [ 1 ] UPMC, CNRS, Inst NanoSci Paris, UMR 7588, F-75252 Paris 5, France [ 2 ] CNR, Lab TASC, IOM, I-34149 Trieste, Italy [ 3 ] CNRS, Lab Photon Nanostruct, F-91460 Marcoussis, France [ 4 ] Univ Roma Tre, CNISM, I-00146 Rome, Italy [ 5 ] Univ Roma Tre, Dipartimento Fis, I-00146 Rome, Italy [ 6 ] CNR ISMN, I-40129 Bologna, Italy [ 7 ] Univ Versailles, F-78035 Versailles, France [ 8 ] ESRF, F-38043 Grenoble, France (literal)
Titolo
  • Electronic properties of embedded MnAs nano-clusters in a GaAs matrix and (Ga,Mn)As films: Evidence of distinct metallic character (literal)
Abstract
  • We investigated the electronic properties of MnAs nano-clusters embedded in GaAs by bulk sensitive photoemission spectroscopy and cross-sectional scanning tunneling microscopy/spectroscopy. We report experimental evidences that the clusters are metallic MnAs, in close resemblance to MnAs thin films, and display a sharp interface with the surrounding GaAs. These results are supported by the comparison with GaMnAs and MnAs film in the same experimental condition. Furthermore, we observe a clear Coulomb blockade effect, as due to confinement and their nanometric size. (C) 2012 American Institute of Physics. (literal)
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