Spatial variation of Au coverage as the driving force for nanoscopic pattern formation (Articolo in rivista)

Type
Label
  • Spatial variation of Au coverage as the driving force for nanoscopic pattern formation (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.86.5088 (literal)
Alternative label
  • Heringdorf, FJMZ (Heringdorf, FJMZ); Schmidt, T (Schmidt, T); Heun, S (Heun, S); Hild, R (Hild, R); Zahl, P (Zahl, P); Ressel, B (Ressel, B); Bauer, E (Bauer, E); Horn-von Hoegen, M (Horn-von Hoegen, M) (2001)
    Spatial variation of Au coverage as the driving force for nanoscopic pattern formation
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Heringdorf, FJMZ (Heringdorf, FJMZ); Schmidt, T (Schmidt, T); Heun, S (Heun, S); Hild, R (Hild, R); Zahl, P (Zahl, P); Ressel, B (Ressel, B); Bauer, E (Bauer, E); Horn-von Hoegen, M (Horn-von Hoegen, M) (literal)
Pagina inizio
  • 5088 (literal)
Pagina fine
  • 5091 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 86 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 22 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Univ Hannover, Inst Festkorperphys, D-30167 Hannover, Germany [ 2 ] ELETTRA, I-34012 Basovizza, TS, Italy [ 3 ] Arizona State Univ, Dept Phys & Astron, Tempe, AZ 85287 USA (literal)
Titolo
  • Spatial variation of Au coverage as the driving force for nanoscopic pattern formation (literal)
Abstract
  • Au induced faceting of a 4 degrees vicinal Si(001) surface was studied with chemical resolution using soft x-ray photoemission electron microscopy. For the first time a direct and quantitative determination of the local Au coverage in situ and during deposition was possible. Au atoms, necessary for the expansion of (001) terraces, are accummulated from a lattice gas, resulting in a phase separation between Au enriched terraces and Au depleted step bunches. During a second stage Au also adsorbs on the step bunches and transforms them into (119) facets. A simple Monte Carlo simulation shows that the initial coverage difference between terraces and bunches determines the regularity of the formed mesoscopic grating. (literal)
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