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Electron hole pair mediated vibrational excitation in CO scattering from Au(111): incidence energy and surface temperature dependence.

dc.contributor.authorShirhatti, Pranav R.
dc.contributor.authorWerdecker, Jörn
dc.contributor.authorGolibrzuch, Kai
dc.contributor.authorWodtke, Alec M.
dc.contributor.authorBartels, Christof
dc.date.accessioned2015-02-02T16:43:41Z
dc.date.available2015-02-02T16:43:41Z
dc.date.issued2014-09-28
dc.identifier.citationShirhatti, Pranav R; Werdecker, Jörn; Golibrzuch, Kai; Wodtke, Alec M; Bartels, Christof (2014): Electron hole pair mediated vibrational excitation in CO scattering from Au(111): incidence energy and surface temperature dependence. - The Journal of chemical physics, Vol. 141, Nr. 12, p. 124704
dc.relation.ISSN1089-7690
dc.identifier.urihttp://resolver.sub.uni-goettingen.de/purl?gs-1/11565
dc.description.abstractWe investigated the translational incidence energy (Ei) and surface temperature (Ts) dependence of CO vibrational excitation upon scattering from a clean Au(111) surface. We report absolute v = 0 → 1 excitation probabilities for Ei between 0.16 and 0.84 eV and Ts between 473 and 973 K. This is now only the second collision system where such comprehensive measurements are available - the first is NO on Au(111). For CO on Au(111), vibrational excitation occurs via direct inelastic scattering through electron hole pair mediated energy transfer - it is enhanced by incidence translation and the electronically non-adiabatic coupling is about 5 times weaker than in NO scattering from Au(111). Vibrational excitation via the trapping desorption channel dominates at Ei = 0.16 eV and quickly disappears at higher Ei.
dc.languageeng
dc.language.isoeng
dc.rightsopenAccess
dc.subjectCO scattering; Au(111); surface temperature dependence
dc.titleElectron hole pair mediated vibrational excitation in CO scattering from Au(111): incidence energy and surface temperature dependence.
dc.typejournalArticle
dc.identifier.doi10.1063/1.4894814
dc.type.versionsubmittedVersion
dc.bibliographicCitation.volume141
dc.bibliographicCitation.issue12
dc.bibliographicCitation.firstPage1
dc.bibliographicCitation.lastPage29
dc.type.subtypejournalArticle
dc.identifier.pmid25273458
dc.description.statuspeerReviewed
dc.bibliographicCitation.journalThe Journal of chemical physics


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