Electronic properties of Si hollow nanowires (Articolo in rivista)

Type
Label
  • Electronic properties of Si hollow nanowires (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4901200 (literal)
Alternative label
  • Di Mario L.; Turchini S.; Zema N.; Cimino R.; Martelli F. (2014)
    Electronic properties of Si hollow nanowires
    in Journal of applied physics (online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Di Mario L.; Turchini S.; Zema N.; Cimino R.; Martelli F. (literal)
Pagina inizio
  • 174310 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84910045205&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 116 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 17 (literal)
Note
  • Scopu (literal)
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  • IMM-CNR, Via del fosso del cavaliere 100, Rome, 00133, Italy; ISM-CNR, Via del fosso del cavaliere 100, Rome, 00133, Italy; LNF-INFN, Via E. Fermi 40, Frascati, 00044, Italy (literal)
Titolo
  • Electronic properties of Si hollow nanowires (literal)
Abstract
  • The electronic and structural properties of amorphous and crystalline silicon hollow nanowires (HNWs) have been investigated by X-ray photoemission (XPS), Raman, and photoluminescence spectroscopies. The HNWs have an internal diameter of about 80 nm and sidewalls with a thickness of 8-15 nm. Crystalline HNWs are obtained by thermal annealing of the amorphous ones. XPS shows that although oxidation is a very important process in these suspended nanostructures, a clear Si 2p signal is detected in the crystalline HNWS, thus indicating that the sidewall surface maintains mainly a pure silicon nature. Raman shows that the thermal annealing gives rise to a very good crystal quality and a weak visible luminescence signal is detected in the crystalline HNWs. (literal)
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