Vapor-liquid-solid and vapor-solid growth of self-catalyzed GaAs nanowires (Articolo in rivista)

Type
Label
  • Vapor-liquid-solid and vapor-solid growth of self-catalyzed GaAs nanowires (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.3664133 (literal)
Alternative label
  • S. Ambrosini, M. Fanetti, V. Grillo, A. Franciosi, and S. Rubini (2011)
    Vapor-liquid-solid and vapor-solid growth of self-catalyzed GaAs nanowires
    in AIP advances
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • S. Ambrosini, M. Fanetti, V. Grillo, A. Franciosi, and S. Rubini (literal)
Pagina inizio
  • 042142-1 (literal)
Pagina fine
  • 042142-12 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 1 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 12 (literal)
Note
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto Officina dei Materiali CNR, Laboratorio TASC, S.S. 14, Km. 163.5, I-34149 Trieste, Italy Sincrotrone Trieste S.C.p.A., Elettra Laboratory, S.S. 14, Km. 163.5 I-34149 Trieste, Italy Dipartimento di Fisica and CENMAT, Universit`a di Trieste, 34127 Trieste, Italy Centro S3, CNR-Istituto Nanoscienze, Via Campi 213A, 41125 Modena, Italy IMEM-CNR, Parco Area delle Scienze 37/A, 43010 Parma, Italy (literal)
Titolo
  • Vapor-liquid-solid and vapor-solid growth of self-catalyzed GaAs nanowires (literal)
Abstract
  • We report on the morphological and structural properties of GaAs nanowires nucleated by self-catalyzed vapor-liquid-solid processes by molecular beam epitaxy on Si-treated GaAs substrates.We found that GaAs nanowires display zincblende and/or wurtzite phase depending on the As/Ga abundance ratio at the growth front, that determines the size and supersaturation of the Ga nanoparticles at the nanowire tip. We also found that even when growth conditions lead to the disappearance of such Ga nanoparticles, preferential one-dimensional growth continues through a vaporsolid mechanism. The nanowire portions grown by vapor solid mechanism display zincblend structure. (literal)
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