Gold-catalyzed oxide nanopatterns for the directed assembly of Ge island arrays on Si (Articolo in rivista)

Type
Label
  • Gold-catalyzed oxide nanopatterns for the directed assembly of Ge island arrays on Si (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/nl071051y (literal)
Alternative label
  • Robinson, JT; Ratto, F; Moutanabbir, O; Heun, S; Locatelli, A; Mentes, TO; Aballe, L; Dubon, OD (2007)
    Gold-catalyzed oxide nanopatterns for the directed assembly of Ge island arrays on Si
    in Nano letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Robinson, JT; Ratto, F; Moutanabbir, O; Heun, S; Locatelli, A; Mentes, TO; Aballe, L; Dubon, OD (literal)
Pagina inizio
  • 2655 (literal)
Pagina fine
  • 2659 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 7 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Calif Berkeley, Dept Mat Sci & Engn, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA; Univ Quebec, INRS EMT, Quebec City, PQ J3X 1S2, Canada; Keio Univ, Dept Appl Phys & Physico Informats, Kouhoku Ku, Yokohama, Kanagawa 223, Japan; CNR, INFM, Lab Nazl TASC, I-34012 Trieste, Italy; Sincrotrone Trieste, SCPA, I-34012 Trieste, Italy; Max Planck Inst Microstruct Phys, D-06120 Halle, Germany; CNR, IFM Scuola Normale Superiore Cavalieri, NEST, I-56126 Pisa, Italy (literal)
Titolo
  • Gold-catalyzed oxide nanopatterns for the directed assembly of Ge island arrays on Si (literal)
Abstract
  • The heteroepitaxial growth of Ge on Au-patterned Si(001) is investigated using in situ spectromicroscopy. Patterning of a hydrogen-terminated Si surface with a square array of Au dots followed by brief exposure to air leads to the spontaneous, local oxidation of Si. The resulting oxide nanopattern limits the surface migration of Au during annealing up to 600 degrees C, resulting in complete preservation of the Au pattern. Subsequent deposition of Ge induces a redistribution of Au across the surface even as the oxide nanopattern persists. As a result, the oxide pattern drives the growth of Ge islands into an ordered assembly, while Au decorates the surfaces of the Ge islands and modifies their shape. (literal)
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