Au-catalyzed self assembly of GeTe nanowires by MOCVD (Articolo in rivista)

Type
Label
  • Au-catalyzed self assembly of GeTe nanowires by MOCVD (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jcrysgro.2010.09.065 (literal)
Alternative label
  • Longo M, Wiemer C, Salicio O, Fanciulli M, Lazzarini L, Rotunno E (2011)
    Au-catalyzed self assembly of GeTe nanowires by MOCVD
    in Journal of crystal growth; Elsevier, Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Longo M, Wiemer C, Salicio O, Fanciulli M, Lazzarini L, Rotunno E (literal)
Pagina inizio
  • 152 (literal)
Pagina fine
  • 156 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0022024810006950 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 315 (literal)
Rivista
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  • 5 (literal)
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  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. CNR, IMM, Lab MDM, I-20041 Agrate Brianza, MB, Italy 2. Univ Milano Bicocca, Dipartimento Sci Mat, Milan, Italy 3. CNR, IMEM, I-43124 Parma, Italy (literal)
Titolo
  • Au-catalyzed self assembly of GeTe nanowires by MOCVD (literal)
Abstract
  • The Metalorganic Chemical Vapor Deposition process was adopted for the first time to grow GeTe nanowires (NWs) on SiO(2)/Si substrates. The growth occurred in the presence of Au as metal catalyst species on the SiO(2). Morphological, structural and compositional investigations were carried out on the obtained GeTe NWs. Local structural and chemical analyses were also performed on single nanostructures by High Resolution and Analytical Transmission Electron Microscopy. The NWs exhibited random orientations with respect to the substrate surface plane. The typical diameter of the NWs was in the range of 40-60 nm and their lengths up to 4 microns. The structural measurements showed that both cubic and rhombohedral crystalline phases of GeTe are present in the grown structures. The compositional analyses, either performed on large area or on single nanostructures, yielded Ge(0.45)Te(0.55) composition on average; transmission electron microscopy observations revealed that nanowires with diameter <50 nm are single crystals in the cubic phase, [1 1 0] oriented. (literal)
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