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Confined electronic states in thin films of Ag on V(100) surfaces and their role in ARPES and STM experiments


Lazić, Predrag; Brako, Radovan
Confined electronic states in thin films of Ag on V(100) surfaces and their role in ARPES and STM experiments // Extended abstracts
Venecija, 2004. (poster, međunarodna recenzija, sažetak, znanstveni)


Naslov
Confined electronic states in thin films of Ag on V(100) surfaces and their role in ARPES and STM experiments

Autori
Lazić, Predrag ; Brako, Radovan

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Extended abstracts / - Venecija, 2004

Skup
IVC-16/ICSS-12/NANO-8/AIV-17

Mjesto i datum
Venecija, Italija, 28. lipnja do 2. srpnja 2004.

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Density functional calculations; Ag films; vanadium; quantum well states

Sažetak
We have performed density functional (DFT) calculations for 1 to 5 monolayers films of Ag on V substrate, modelled by a film of seven layers. We have then made additional analysis of the Kohn-Sham eigenfunctions obtained in the process, in particular concerning their symmetries and localization within the Ag films. We have calculated the fraction of the wavefunction of various states which is localized on the silver atoms, for 1 and 2 ML films. Due to easiness of probing empty states in STM experiments we have made calculations for energies of 1 eV above and beneath the Fermi level keeping in mind that empty states in DFT calculations may be somewhat ambiguous. In comparison with photoemission and STM experiments, we have found within our DFT calculations very good agreement with experimental results.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
0098001