Valence band alignment and work function of heteroepitaxial nanocrystals on GaAs(001) (Articolo in rivista)

Type
Label
  • Valence band alignment and work function of heteroepitaxial nanocrystals on GaAs(001) (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1116/1.1410942 (literal)
Alternative label
  • Heun, S (Heun, S); Watanabe, Y (Watanabe, Y); Ressel, B (Ressel, B); Schmidt, T (Schmidt, T); Prince, KC (Prince, KC) (2001)
    Valence band alignment and work function of heteroepitaxial nanocrystals on GaAs(001)
    in Journal of vacuum science & technology. B, Microelectronics and nanometer structures
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Heun, S (Heun, S); Watanabe, Y (Watanabe, Y); Ressel, B (Ressel, B); Schmidt, T (Schmidt, T); Prince, KC (Prince, KC) (literal)
Pagina inizio
  • 2057 (literal)
Pagina fine
  • 2062 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 19 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Sincrotrone Trieste, Basovizza, I-34012 Trieste, Italy [ 2 ] Nippon Telegraph & Tel Publ Corp, Basic Res Labs, Atsugi, Kanagawa 24301, Japan (literal)
Titolo
  • Valence band alignment and work function of heteroepitaxial nanocrystals on GaAs(001) (literal)
Abstract
  • The differences in valence band structure and work function between heteroepitaxial nanocrystals and the surrounding substrate were measured with a spectroscopic photoemission and low energy electron microscope which allows laterally resolved photoemission spectroscopy. The nanocrystals were obtained by depositing nominally 2 and 4 monolayers (ML) of InAs on a Se-terminated GaAs(001) surface. The samples showed differences in the valence band edge energy and work function both between nanocrystals and substrate as well as between 2 and 4 ML. We suggest that Se termination of the nanocrystals is the reason for these differences. (literal)
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