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Ultrafast soft X-ray emission spectroscopy of surface adsorbates using an X-ray free electron laser

  • We report on an experimental system designed to probe chemical reactions on solid surfaces on a sub-picosecond timescale using soft X-ray emission spectroscopy at the Linac Coherent Light Source (LCLS) free electron laser (FEL) at the SLAC National Accelerator Laboratory. We analyzed the O 1s X-ray emission spectra recorded from atomic oxygen adsorbed on a Ru(0001) surface at a synchrotron beamline (SSRL, BL13-2) and an FEL beamline (LCLS, SXR). We have demonstrated conditions that provide negligible amount of FEL induced damage of the sample. In addition we show that the setup is capable of tracking the temporal evolution of electronic structure during a surface reaction of submonolayer quantities of CO molecules desorbing from the surface.

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Author:T. Katayama, Toyli Anniyev, M. Beye, R. Coffee, M. Dell'Angela, Alexander FöhlischORCiDGND, J. Gladh, S. Kaya, O. Krupin, A. Nilsson, D. Nordlund, W. F. Schlotter, J. A. Sellberg, F. Sorgenfrei, J. J. Turner, W. Wurth, H. Öström, H. Ogasawara
ISSN:0368-2048 (print)
Parent Title (English):Journal of electron spectroscopy and related phenomena : the international journal on theoretical and experimental aspects of electron spectroscopy
Place of publication:Amsterdam
Document Type:Article
Year of first Publication:2013
Year of Completion:2013
Release Date:2017/03/26
Tag:Free electron laser; Surface science; Ultrafast; X-ray emission spectroscopy
First Page:9
Last Page:14
Funder:LCLS, Stanford University through the Stanford Institute for Materials Energy Sciences (SIMES); Lawrence Berkeley National Laboratory (LBNL); University of Hamburg through the BMBF priority program FSP 301; Center for Free Electron Laser Science (CFEL); US Department of Energy's Office of Basic Energy Sciences; Japan Science and Technology Agency; Swedish research council (VR); Alexander von Humboldt foundation; VolkswagenStiftung
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert