Change in surface states of Ag(111) thin films upon adsorption of a monolayer of PTCDA organic molecules
- Donostia International Physics Center (DIPC), San Sebastian (Spain)
The change in the electronic structure of silver thin films of different thicknesses with the Ag( 111) orientation due to the interaction with an adsorbed monolayer of ordered organic molecules of 3,4,9,10-perylene-tetracarboxylic acid dianhydride (PTCDA) has been investigated in terms of density functional theory. It has been shown that one of the two surface states of the pure films transforms into an unocc upied interface state due to the interaction so that all the main features of the initial state are retained. The relation of the resulting state to the unoccupied state experimentally observed in the PTCDA/Ag( 111 ) system by scanning tunneling and two-photon photoemission spectroscopy has been discussed.
- OSTI ID:
- 21443617
- Journal Information:
- Journal of Experimental and Theoretical Physics, Vol. 110, Issue 1; Other Information: DOI: 10.1134/S1063776110010140; Copyright (c) 2010 Pleiades Publishing, Ltd.; ISSN 1063-7761
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ADSORPTION
CRYSTAL STRUCTURE
DENSITY FUNCTIONAL METHOD
ELECTRONIC STRUCTURE
EMISSION SPECTROSCOPY
INTERFACES
MOLECULES
ORIENTATION
PERYLENE
PHOTOEMISSION
PHOTONS
SILVER
SURFACES
THIN FILMS
TUNNEL EFFECT
AROMATICS
BOSONS
CALCULATION METHODS
CONDENSED AROMATICS
ELEMENTARY PARTICLES
ELEMENTS
EMISSION
FILMS
MASSLESS PARTICLES
METALS
ORGANIC COMPOUNDS
SECONDARY EMISSION
SORPTION
SPECTROSCOPY
TRANSITION ELEMENTS
VARIATIONAL METHODS