XPS study of Rh/In2O3 system
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KOROTCHENKOV, Ghenadii, BRYNZARI, Vladimir, NEHASIL, Vaclav. XPS study of Rh/In2O3 system. In: Surfaces and Interfaces, 2021, nr. 22, p. 0. ISSN 2468-0230. DOI: https://doi.org/10.1016/j.surfin.2020.100794
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Surfaces and Interfaces
Numărul 22 / 2021 / ISSN 2468-0230

XPS study of Rh/In2O3 system

DOI:https://doi.org/10.1016/j.surfin.2020.100794

Pag. 0-0

Korotchenkov Ghenadii1, Brynzari Vladimir1, Nehasil Vaclav2
 
1 Moldova State University,
2 Charles University
 
 
Disponibil în IBN: 20 ianuarie 2021


Rezumat

The effect of surface modification of In2O3 films by rhodium atoms deposited by electron beam sputtering on the XP spectra is considered. The surface coverage with rhodium ranged from 0 to 0.1 ML. It was shown that the main changes in the XP spectra occur in the Rh3d region and are caused by the dimensional effect of rhodium particles. With an increase in the surface coverage with rhodium, Rh particles grow from an atomically dispersed state to relatively large clusters. As the particle size increases, its electronic structure tends to approach the state corresponding to the bulk Rh. Such a process is accompanied by a decrease in BE Rh3d5/2 by 0.3–0.6 eV, which behaviour depends on the surface structure of the used In2O3 films.

Cuvinte-cheie
Atomic dispersion, Binding energy, Characterisation, clustering, Electron beam evaporation, surface