About: Atomic and electronic structure of V-Rh(110) near-surface alloy

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Vanadia-promoted Rh catalysts and Rh–V alloys have shown enhanced reactivity in several heterogeneous catalytic processes. However, little is known about the role of electronic and geometrical effects of the alloy phase on the chemical reactivity. In this article, we present experimental study on geometric and electronic structure of near-surface ordered alloys prepared by depositing V on Rh(110) surface and by subsequent annealing. STM, LEED, and XPD measurements were combined to determine the atomic structure. The electronic influence of the subsurface vanadium on the Rh(110) surface was elucidated by means of core-level and angle-resolved valence band photoemission spectroscopy. The influence of the alloying on the interaction with gas molecules was probed by CO adsorption. It was found that annealing at 973 K results in a (2 1) surface reconstruction of Rh surface atoms along [110] rows induced by subsurface vanadium... Vanadia-promoted Rh catalysts and Rh–V alloys have shown enhanced reactivity in several heterogeneous catalytic processes. However, little is known about the role of electronic and geometrical effects of the alloy phase on the chemical reactivity. In this article, we present experimental study on geometric and electronic structure of near-surface ordered alloys prepared by depositing V on Rh(110) surface and by subsequent annealing. STM, LEED, and XPD measurements were combined to determine the atomic structure. The electronic influence of the subsurface vanadium on the Rh(110) surface was elucidated by means of core-level and angle-resolved valence band photoemission spectroscopy. The influence of the alloying on the interaction with gas molecules was probed by CO adsorption. It was found that annealing at 973 K results in a (2 1) surface reconstruction of Rh surface atoms along [110] rows induced by subsurface vanadium... (en)
Title	Atomic and electronic structure of V-Rh(110) near-surface alloy Atomic and electronic structure of V-Rh(110) near-surface alloy (en)
skos:prefLabel	Atomic and electronic structure of V-Rh(110) near-surface alloy Atomic and electronic structure of V-Rh(110) near-surface alloy (en)
skos:notation	RIV/68378271:_____/13:00433048!RIV15-AV0-68378271
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(LD11047), P(LG12003), S
http://linked.open...iv/cisloPeriodika	24
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Vondráček, Martin
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	62448
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/13:00433048
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	VRh(110) near-surface alloy; STM; XPS (en)
http://linked.open.../riv/klicoveSlovo	STM XPS VRh(110) near-surface alloy
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[EFE51B863A95]
http://linked.open...i/riv/nazevZdroje	Journal of Physical Chemistry C
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...vavai/riv/projekt	Materials science beamline at synchrotron Elettra in Trieste Model Systems of Nanostructured Bimetallic Materials for Enviromental Applications
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	117
http://linked.open...iv/tvurceVysledku	Vondráček, Martin Píš, I. Matolín, V. Nehasil, V. Mysliveček, J. Dvořák, F. Kettner, M. Mazur, D. Stetsovych, V.
http://linked.open...ain/vavai/riv/wos	000320911100031
issn	1932-7447
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/jp402985v

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