Visible and Infra-red Light Emission in Boron-Doped Wurtzite Silicon Nanowires (Articolo in rivista)

Type
Label
  • Visible and Infra-red Light Emission in Boron-Doped Wurtzite Silicon Nanowires (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1038/srep03603 (literal)
Alternative label
  • Fabbri, Filippo; Rotunno, Enzo; Lazzarini, Laura; Fukata, Naoki; Salviati, Giancarlo (2014)
    Visible and Infra-red Light Emission in Boron-Doped Wurtzite Silicon Nanowires
    in Scientific reports (Nature Publishing Group); NATURE PUBLISHING GROUP,, LONDON (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fabbri, Filippo; Rotunno, Enzo; Lazzarini, Laura; Fukata, Naoki; Salviati, Giancarlo (literal)
Pagina inizio
  • 3603-1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.nature.com/srep/2014/140108/srep03603/full/srep03603.html (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 4 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IMEM-CNR Institute, Parco area delle Scienze 37/A, Parma, (Italy); International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Tsukuba, Ibaraki, (Japan); (literal)
Titolo
  • Visible and Infra-red Light Emission in Boron-Doped Wurtzite Silicon Nanowires (literal)
Abstract
  • Silicon, the mainstay semiconductor in microelectronic circuitry, is considered unsuitable for optoelectronic applications owing to its indirect electronic band gap, which limits its efficiency as a light emitter. Here we show the light emission properties of boron-doped wurtzite silicon nanowires measured by cathodoluminescence spectroscopy at room temperature. A visible emission, peaked above 1.5 eV, and a near infra-red emission at 0.8 eV correlate respectively to the direct transition at the Gamma point and to the indirect band-gap of wurtzite silicon. We find additional intense emissions due to boron intra-gap states in the short wavelength infra-red range. We present the evolution of the light emission properties as function of the boron doping concentration and the growth temperature. (literal)
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