Anchoring sulphur-headgroup organic molecules at Cu(100): Tailoring the interface electronic states (Articolo in rivista)

Type
Label
  • Anchoring sulphur-headgroup organic molecules at Cu(100): Tailoring the interface electronic states (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Betti, MG; Bussolotti, F; Chiodo, L; Monachesi, P; Mariani, C (2007)
    Anchoring sulphur-headgroup organic molecules at Cu(100): Tailoring the interface electronic states
    in Surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Betti, MG; Bussolotti, F; Chiodo, L; Monachesi, P; Mariani, C (literal)
Pagina inizio
  • 2580 (literal)
Pagina fine
  • 2583 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 601 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy; SOFT, Natl Res Ctr, INFM, I-00185 Rome, Italy; INFM, CNR, Natl Nanotechnol Lab, I-73100 Lecce, Italy; Univ Aquila, Dipartimento Fis, I-67100 Laquila, Italy; CNR, INFM, I-41100 Modena, Italy (literal)
Titolo
  • Anchoring sulphur-headgroup organic molecules at Cu(100): Tailoring the interface electronic states (literal)
Abstract
  • Sulphur-headgroup organic molecules have been chemisorbed on Cu(1 00) as self-assembled monolayers (SAMs) in highly-ordered two-fold symmetry structures, and the electronic states induced at the interface have been measured by photoemission: a close similarity of the main interface states for methane-thiolate and mercaptobenzoxazole on Cu(100) in the same p(2 x 2)-phase is observed. The bonding states for methane-thiolate/Cu(100) in the p(2 x 2) and c(2 x 2) structures have been compared to ab-initio calculation of the total density of states (DOS) for the S/Cu(100) system in the same phases. The major role of the S-Cu bonding to determine the density of state evolution at the interface is brought to light. The observed differences in the two phases depend mainly on the charge distribution associated to the different molecular packing, with a minor role of the radical group. (C) 2006 Elsevier B.V. All rights reserved. (literal)
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