Dimensional effects in photoelectron spectra of Ag deposits on GaAs(110) surfaces

Details Dimensional effects in photoelectron spectra of Ag deposits on GaAs(110) surfaces Dimensional effects in photoelectron spectra of Ag deposits on GaAs(110) surfaces

1995-11-23

arxiv.org/abs/cond-mat/9511111v1

Phys. Rev. B 53, 6967 (1996)

Physics

Condensed Matter

Uuencoded gz-compressed postcript file including text and three figures; Send comments to jav@boston.icmm.csic.es

Scientific paper

10.1103/PhysRevB.53.6967

It is shown that the peak structure observed in angle-resolved photoelectron spectra of metallic deposits can only be unambiguously associated to single electronic states if the deposit has a two dimensional character (finite along one spatial direction). In one and zero dimensions the density of states shows peaks related to bunches of single electron states (the finer structure associated to the latter may not always be experimentally resolved). The characteristics of the peak structure strongly depend on the band dispersion in the energy region where they appear. Results for the density of states and photoemission yield for Ag crystallites on GaAs(110) are presented and compared with experimental photoelectron spectra.

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