Evidence for bandlike dispersion in K6C60(110) films (Articolo in rivista)

Type
Label
  • Evidence for bandlike dispersion in K6C60(110) films (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.74.045414 (literal)
Alternative label
  • Goldoni, A; Petaccia, L; Zampieri, G; Lizzit, S; Cepek, C; Gayone, E; Wells, J; Hofmann, P (2006)
    Evidence for bandlike dispersion in K6C60(110) films
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Goldoni, A; Petaccia, L; Zampieri, G; Lizzit, S; Cepek, C; Gayone, E; Wells, J; Hofmann, P (literal)
Pagina inizio
  • 045414 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 74 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • A. Goldoni, L. Petaccia, G. Zampieri, and S. Lizzit Sincrotrone Trieste S.C.p.A., s.s. 14 km 163.5 in Area Science Park, 34012 Trieste, Italy C. Cepek Laboratorio TASC-INFM, s.s. 14 km 163.5 in Area Science Park, 34012 Trieste, Italy E. Gayone*, J. Wells, and Ph. Hofmann Institute for Storage Ring Facilities, University of Aarhus, 8000 Aarhus C, Denmark (literal)
Titolo
  • Evidence for bandlike dispersion in K6C60(110) films (literal)
Abstract
  • Using angle resolved photoemission we show that bandlike states in K6C60(110) films at 40 K survive in spite of the strong electron-phonon coupling expected in fullerides that should give rise to polaron formation. The momentum dependence and the total bandwidth of the dispersing bands contributing to the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) features agree quite well with one-electron band structure calculations. While a crude estimation of the dimensionless electron-phonon coupling constant lambda, from the temperature dependence of the LUMO linewidth in photoemission spectra, seems to place K6C60 in an intermediate polaronic regime, the expected strong coupling to K+ modes remains uncertain. (literal)
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