About: A Comparative Photoemission Study of Ceria and Gold-doped Ceria /Cu(111) Interfaces

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We have studied the electronic states in three different ceria thin film surfaces prepared on a Cu(111) single-crystal surface by vapor deposition at different conditions: at 250 °C, at room temperature and finally Au-doped ceria film obtained by simultaneous deposition of Au and CeO2 at room temperature (RT). Electronic properties of the layers and interaction of gold with CeO2 were investigated with use of synchrotron-radiation-excited PES and resonant photoemission (Ce 4d 4f transitions). We have observed partial Ce4 Ce3 reduction induced by decrease of deposition temperature to RT instead 250 °C and also by doping ceria by gold, accompanied by a 4f resonance enhancement of the Ce3 species. In the case of Au-doped sample the surface reduction degree is stronger and can be explained by the possible creation of new ionic Au state peaks observed in the Au 4f spectra. We have studied the electronic states in three different ceria thin film surfaces prepared on a Cu(111) single-crystal surface by vapor deposition at different conditions: at 250 °C, at room temperature and finally Au-doped ceria film obtained by simultaneous deposition of Au and CeO2 at room temperature (RT). Electronic properties of the layers and interaction of gold with CeO2 were investigated with use of synchrotron-radiation-excited PES and resonant photoemission (Ce 4d 4f transitions). We have observed partial Ce4 Ce3 reduction induced by decrease of deposition temperature to RT instead 250 °C and also by doping ceria by gold, accompanied by a 4f resonance enhancement of the Ce3 species. In the case of Au-doped sample the surface reduction degree is stronger and can be explained by the possible creation of new ionic Au state peaks observed in the Au 4f spectra. (en)
Title	A Comparative Photoemission Study of Ceria and Gold-doped Ceria /Cu(111) Interfaces A Comparative Photoemission Study of Ceria and Gold-doped Ceria /Cu(111) Interfaces (en)
skos:prefLabel	A Comparative Photoemission Study of Ceria and Gold-doped Ceria /Cu(111) Interfaces A Comparative Photoemission Study of Ceria and Gold-doped Ceria /Cu(111) Interfaces (en)
skos:notation	RIV/00216208:11320/09:00206537!RIV10-GA0-11320___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA202/07/0782), P(LC06058), S, Z(MSM0021620834)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Veltruská, Kateřina Cabala, Miloš Matolínová, Iva Škoda, Michal Matolín, Vladimír
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	301172
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/09:00206537
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Comparative; Photoemission; Study; Ceria; Gold-doped; Ceria; Interfaces (en)
http://linked.open.../riv/klicoveSlovo	Interfaces Gold-doped Comparative Ceria Study Photoemission
http://linked.open...ontrolniKodProRIV	[ACF9FFF79E02]
http://linked.open...v/mistoKonaniAkce	Prague
http://linked.open...i/riv/mistoVydani	Prague
http://linked.open...i/riv/nazevZdroje	WDS´09 Proceedings of Contributed Papers: Part III - Physics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Reactivity of model catalyst based on CeOx Center of synchrotron radiation materials study
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Matolín, Vladimír Matolínová, Iva Škoda, Michal Cabala, Miloš Veltruská, Kateřina Skála, T.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2009-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Matfyzpress
https://schema.org/isbn	978-80-7378-103-3
http://localhost/t...ganizacniJednotka	11320

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