Reutzel, Marcel

[["dc.bibliographiccitation.firstpage","344004"],["dc.bibliographiccitation.issue","34"],["dc.bibliographiccitation.journal","Journal of Physics. Condensed Matter"],["dc.bibliographiccitation.volume","33"],["dc.contributor.affiliation","Adamkiewicz, A;"],["dc.contributor.affiliation","Bohamud, T;"],["dc.contributor.affiliation","Reutzel, M;"],["dc.contributor.affiliation","Höfer, U;"],["dc.contributor.affiliation","Dürr, M;"],["dc.contributor.author","Adamkiewicz, A"],["dc.contributor.author","Bohamud, T"],["dc.contributor.author","Höfer, U"],["dc.contributor.author","Dürr, M"],["dc.contributor.author","Reutzel, M"],["dc.date.accessioned","2021-08-12T07:45:11Z"],["dc.date.available","2021-08-12T07:45:11Z"],["dc.date.issued","2021"],["dc.date.updated","2022-02-09T13:18:46Z"],["dc.description.abstract","AbstractAtomic-scale chemical modification of surface-adsorbed ethyl groups on Si(001) was induced and studied by means of scanning tunneling microscopy. Tunneling at sample bias >+1.5 V leads to tip-induced C–H cleavage of a β-hydrogen of the covalently bound ethyl configuration. The reaction is characterized by the formation of an additional Si–H and a Si–C bond. The reaction probability shows a linear dependence on the tunneling current at 300 K; the reaction is largely suppressed at 50 K. The observed tip-induced surface reaction at room temperature is thus attributed to a one-electron excitation in combination with thermal activation."],["dc.description.sponsorship","Deutsche Forschungsgemeinschafthttps://doi.org/10.13039/501100001659"],["dc.identifier.doi","10.1088/1361-648X/ac0a1c"],["dc.identifier.eissn","1361-648X"],["dc.identifier.issn","0953-8984"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/88391"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-448"],["dc.publisher","IOP Publishing"],["dc.relation.eissn","1361-648X"],["dc.relation.issn","0953-8984"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0/"],["dc.title","Tip-induced β -hydrogen dissociation in an alkyl group bound on Si(001)"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

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[["dc.contributor.author","Keunecke, Marius"],["dc.contributor.author","Schmitt, David"],["dc.contributor.author","Reutzel, Marcel"],["dc.contributor.author","Weber, Marius"],["dc.contributor.author","Möller, Christina"],["dc.contributor.author","Jansen, G. S. Matthijs"],["dc.contributor.author","Mishra, Tridev A."],["dc.contributor.author","Osterkorn, Alexander"],["dc.contributor.author","Bennecke, Wiebke"],["dc.contributor.author","Pierz, Klaus"],["dc.contributor.author","Schumacher, Hans Werner"],["dc.contributor.author","Pakdehi, Davood Momeni"],["dc.contributor.author","Steil, Daniel"],["dc.contributor.author","Manmana, Salvatore R."],["dc.contributor.author","Steil, Sabine"],["dc.contributor.author","Kehrein, Stefan"],["dc.contributor.author","Schneider, Hans Christian"],["dc.contributor.author","Mathias, Stefan"],["dc.date.accessioned","2021-10-15T10:37:07Z"],["dc.date.available","2021-10-15T10:37:07Z"],["dc.date.issued","2020-11-26"],["dc.description.abstract","Auger scattering channels are of fundamental importance to describe and understand the non-equilibrium charge carrier dynamics in graphene. While impact excitation increases the number of carriers in the conduction band and has been observed experimentally, direct access to its inverse process, Auger recombination, has so far been elusive. Here, we tackle this problem by applying our novel setup for ultrafast time-resolved photoelectron momentum microscopy. Our approach gives simultaneous access to charge carrier dynamics at all energies and in-plane momenta within the linearly dispersive Dirac cones. We thus provide direct evidence for Auger recombination on a sub-10~fs timescale by identifying transient energy- and momentum-dependent populations far above the excitation energy. We compare our results with model calculations of scattering processes in the Dirac cone to support our experimental findings."],["dc.identifier.arxiv","2012.01256v1"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/90949"],["dc.relation","SFB 1073: Kontrolle von Energiewandlung auf atomaren Skalen"],["dc.relation","SFB 1073 | Topical Area B | B03 Relaxation, Thermalisierung, Transport und Kondensation in hochangeregten Festkörpern"],["dc.relation","SFB 1073 | Topical Area B | B07 Elementare Schritte der Energiekonversion in stark angeregten korrelierten Materialien"],["dc.title","Direct Access to Auger recombination in Graphene"],["dc.type","preprint"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]