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Naslov:Interplay among Work Function, electronic structure and stoichiometry in nanostructured VOx films
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Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:The work function is the parameter of greatest interest in many technological applications involving charge exchange mechanisms at the interface. The possibility to produce samples with a controlled work function is then particularly interesting, albeit challenging. We synthetized nanostructured vanadium oxide films by a room temperature Supersonic Cluster Beam Deposition method, obtaining samples with tunable stoichiometry and work function (3.7-7 eV). We present an investigation of the electronic structure of several vanadium oxide films as a function of the oxygen content via in-situ Auger, valence-band photoemission spectroscopy and work function measurements. The experiments probed the partial 3d density of states, highlighting the presence of strong V3d-O2p and V3d-V4s hybridization which influence 3d occupation. We show how controlling the stoichiometry of the sample implies control over work function, and that the access to nanoscale quantum confinement can be exploited to increase the work function of the sample relative to the bulk analogue. In general, the knowledge of the interplay among work function, electronic structure, and stoichiometry is strategic to match nanostructured oxides to their target applications
Ključne besede:work function, VOx, Electronic structure, nanostructured films
Verzija publikacije:Recenzirani rokopis
Leto izida:2020
Št. strani:9
Številčenje:2020
PID:20.500.12556/RUNG-5046-fe5d499f-6d6e-34a2-6937-37033620e2e9 Novo okno
COBISS.SI-ID:5574139 Novo okno
DOI:https://doi.org/10.1039/D0CP00216J Novo okno
NUK URN:URN:SI:UNG:REP:HZOPPKNR
Datum objave v RUNG:24.02.2020
Število ogledov:3539
Število prenosov:0
Metapodatki:XML DC-XML DC-RDF
:
Interplay among Work Function, electronic structure and stoichiometry in nanostructured VOx films, 2020. Physical Chemistry Chemical Physics [na spletu], Vol. 2020. [Dostopano 7 april 2025]. DOI https://doi.org/10.1039/D0CP00216J. Pridobljeno s: https://repozitorij.ung.si/IzpisGradiva.php?lang=slv&id=5046
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Gradivo je del revije

Naslov:Physical Chemistry Chemical Physics
Leto izida:2020

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