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Soft X-ray probes of ultrafast dynamics for heterogeneous catalysis

  • Soft X-ray spectroscopy is one of the best tools to directly address the electronic structure, the driving force of chemical reactions. It enables selective studies on sample surfaces to single out reaction centers in heterogeneous catalytic reactions. With core-hole clock methods, specific dynamics are related to the femtosecond life time of a core-hole. Typically, this method is used with photoemission spectroscopy, but advancements in soft X-ray emission techniques render more specific studies possible. With the advent of bright femtosecond pulsed soft X-ray sources, highly selective pump-probe X-ray emission studies are enabled with temporal resolutions down to tens of femtoseconds. This finally allows to study dynamics in the electronic structure of adsorbed reaction centers on the whole range of relevant time scales - closing the gap between kinetic soft X-ray studies and the atto- to femtosecond core-hole clock techniques.

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Author:M. Beye, Alexander FöhlischORCiDGND
ISSN:0301-0104 (print)
ISSN:1873-4421 (online)
Parent Title (English):Chemical physics : a journal devoted to experimental and theoretical research involving problems of both a chemical and physical nature
Place of publication:Amsterdam
Document Type:Article
Year of first Publication:2013
Year of Completion:2013
Release Date:2017/03/26
Tag:Core-hole clock; Photoelectron spectroscopy; Resonant inelastic X-ray scattering; Ultrafast surface science
First Page:130
Last Page:138
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert