Low-temperature synthesis of ZnSe nanowires and nanosaws by catalystassisted molecular-beam epitaxy (Articolo in rivista)

Type
Label
  • Low-temperature synthesis of ZnSe nanowires and nanosaws by catalystassisted molecular-beam epitaxy (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.1897053 (literal)
Alternative label
  • A. Colli; S. Hofmann; and A. C. Ferrari; C. Ducati; F. Martelli; S. Rubini; S. Cabrini;A. Franciosi; J. Robertson (2005)
    Low-temperature synthesis of ZnSe nanowires and nanosaws by catalystassisted molecular-beam epitaxy
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Colli; S. Hofmann; and A. C. Ferrari; C. Ducati; F. Martelli; S. Rubini; S. Cabrini;A. Franciosi; J. Robertson (literal)
Pagina inizio
  • 153103 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 86 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, United Kingdom Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, United Kingdom Laboratorio Nazionale TASC-INFM, Area Science Park, 34012 Trieste, Italy and Centre of Excellence for Nanostructured Materials, University of Trieste, 34127 Trieste, Italy (literal)
Titolo
  • Low-temperature synthesis of ZnSe nanowires and nanosaws by catalystassisted molecular-beam epitaxy (literal)
Abstract
  • Single-crystal ZnSe nanowires are grown on a prepatterned gold catalyst by molecular-beam epitaxy. Optimum selectivity and maximum nanowire densities are obtained for growth temperatures in the range 400-450 °C, but gold-assisted growth is demonstrated for temperatures as low as 300 °C. This suggests a diffusion process on/through the catalyst particle in the solid state, in contrast to the commonly assumed liquid phase growth models. Straight wires, as thin as 10 nm, nucleate together with thicker and saw-like structures. A gold particle is always found at the tip in both cases. (literal)
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