Self-consistent approach for spectral properties of single alkali adatoms on Cu(111) (Articolo in rivista)

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  • Self-consistent approach for spectral properties of single alkali adatoms on Cu(111) (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.85.045408 (literal)
Alternative label
  • Achilli, S.; Trioni, M.I.; Chulkov, E.V. (2012)
    Self-consistent approach for spectral properties of single alkali adatoms on Cu(111)
    in Physical review. B, Condensed matter and materials physics; The American Physical Society, Ridge, NY (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Achilli, S.; Trioni, M.I.; Chulkov, E.V. (literal)
Pagina inizio
  • 045408 (literal)
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  • http://link.aps.org/doi/10.1103/PhysRevB.85.045408 (literal)
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  • 85 (literal)
Rivista
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  • 8 (literal)
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  • 04 (literal)
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  • DOI: 10.1103/PhysRevB.85.045408 http://link.aps.org/doi/10.1103/PhysRevB.85.045408 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • Dipartimento di Scienza dei Materiali, Università di Milano-Bicocca, via Cozzi 53, I-20125 Milano, Italy [Achilli] CNR, National Research Council of Italy, ISTM, Via Golgi 19, I-20133 Milano, Italy [Trioni] Donostia International Physics Center (DIPC), Paseo Manuel de Lardizabal 4, E-20018 San Sebastian, Spain [Chulkov, Trioni] Departamento de Fisica de Materiales and Centro de Fisica de Materiales (CFM)-Materials Physics Center (MPC), E-20018 San Sebastian/Donostia, Spain and Facultad de Ciencias Quimicas, UPV/EHU, Apdo. 1072, E-20080 San Sebastian/Donostia, Basque Country, Spain [Chulkov] (literal)
Titolo
  • Self-consistent approach for spectral properties of single alkali adatoms on Cu(111) (literal)
Abstract
  • We investigate the nature of the adatom-surface interaction in the adsorption of alkali atoms on Cu(111). Our calculation, exploiting the embedding approach in a density functional theory framework, describes an isolated atom on a metallic surface, which is modeled via a one-dimensional modulated potential. The absence of empirical term in the Hamiltonian guaranties a completely ab initio determination of the electronic properties of the system. The role of the projected energy gap in determining lifetime and binding energy of the adatom resonances is evidenced. On the basis of the electronic properties of the adsorbed alkali atoms the covalent/ionic nature of the bonding with the surface is analyzed. (literal)
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