Photoelectron spectroscopy study of Pb/Ag(1 1 1) in the submonolayer range (Articolo in rivista)

Type
Label
  • Photoelectron spectroscopy study of Pb/Ag(1 1 1) in the submonolayer range (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.susc.2006.01.007 (literal)
Alternative label
  • J. Dalmas; H. Oughaddou; G. Le Lay; B. Aufray; G. Tréglia; C. Girardeaux; J. Bernardini; J. Fujii; G. Panaccione (2006)
    Photoelectron spectroscopy study of Pb/Ag(1 1 1) in the submonolayer range
    in Surface science
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • J. Dalmas; H. Oughaddou; G. Le Lay; B. Aufray; G. Tréglia; C. Girardeaux; J. Bernardini; J. Fujii; G. Panaccione (literal)
Pagina inizio
  • 1227 (literal)
Pagina fine
  • 1230 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1016/j.susc.2006.01.007 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 600 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CRMCN-CNRS, Campus de Luminy; L2MP, Campus de Saint Jérôme; APE Beamline, Lab. Elettra Sincrotrone (literal)
Titolo
  • Photoelectron spectroscopy study of Pb/Ag(1 1 1) in the submonolayer range (literal)
Abstract
  • The vacuum deposition of Pb onto Ag(1 1 1) gives rise to two different surface structures depending on coverage and deposition temperature. At room temperature (RT), low energy electron diffraction (LEED) reveals a sharp (3×3)R30° reconstruction completed at 1/3 Pb monolayer (ML). Beyond, a close-packed Pb(1 1 1) incommensurate overlayer develops. At low temperature (LT, ~100 K) the incommensurate structure is directly observed whatever the coverage, corresponding to the growth of close-packed two-dimensional Pb(1 1 1) islands. Synchrotron radiation Pb 5d core-level spectra clearly demonstrate that in each surface structure all Pb atoms have essentially a unique, but different, environment. This reflects the surface alloy formation between the two immiscible metals in the (3×3)R30° reconstruction and a clear signature of the de-alloying process at RT beyond 1/3 ML coverage. (literal)
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