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Failure of the vapor-liquid-solid mechanism in Au-assisted MOVPE growth of InAs nanowires

Publiceringsår: 2005
Språk: Engelska
Sidor: 761-764
Publikation/Tidskrift/Serie: NANO LETTERS
Volym: 5
Nummer: 4
Dokumenttyp: Artikel
Förlag: American Chemical Society


We report the temperature dependence of the Au-assisted growth of InAs nanowires in MOVPE. Extensive studies of the growth of such nanowires have attributed growth to the so-called vapor-liquid-solid (VLS) mechanism, with a liquid Au-In alloy particle. We assert here that growth is instead assisted by a solid particle and does not occur at all when the particle is a liquid. Thus the temperature range of InAs nanowire growth is limited by the melting of the Au-In alloy. Comparison with growth of InAs nanowires in the same system assisted by a layer of SiOx is used to support this conclusion.



  • Nano Technology


  • ISSN: 1530-6984

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