Adsorption of small hydrocarbon molecules on Si surfaces: Ethylene on Si(001) (Articolo in rivista)

Type
Label
  • Adsorption of small hydrocarbon molecules on Si surfaces: Ethylene on Si(001) (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Marsili, M; Witkowski, N; Pulci, O; Pluchery, O; Silvestrelli, PL; Del Sole, R; Borensztein, Y (2008)
    Adsorption of small hydrocarbon molecules on Si surfaces: Ethylene on Si(001)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Marsili, M; Witkowski, N; Pulci, O; Pluchery, O; Silvestrelli, PL; Del Sole, R; Borensztein, Y (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 77 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Marsili, Margherita; Pulci, Olivia; Del Sole, Rodolfo] Univ Roma Tor Vergata, NAST, INFM, ETSF Rome,European Theoret Spect Facil ETSF, I-00133 Rome, Italy; [Witkowski, Nadine; Pluchery, Olivier; Borensztein, Yves] Univ Paris 06, CNRS, UMR 7588, Inst Nanosci Paris, F-75015 Paris, France; [Witkowski, Nadine; Pluchery, Olivier; Borensztein, Yves] Univ Paris 07, F-75015 Paris, France; [Silvestrelli, Pier Luigi] Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy; [Silvestrelli, Pier Luigi] DEMOCRITOS Natl Simulat Ctr, Trieste, Italy (literal)
Titolo
  • Adsorption of small hydrocarbon molecules on Si surfaces: Ethylene on Si(001) (literal)
Abstract
  • The interaction between small unsaturated hydrocarbon molecules of C2H4 with a vicinal silicon (001) surface is studied by means of reflectance anisotropy spectroscopy and analyzed with first principles calculations. Our results confirm that ethylene adsorbs without breaking the silicon dimers. Comparison of theoretical optical spectra with experimental data shows that the C2H4 molecules lay on top of the silicon dimers from low to high coverage. This occurs even though, from a purely energetic point of view, a bridge configuration would be favorable at 1 monolayer coverage. (literal)
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