Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer
Vacuum space charge induced kinetic energy shifts of O 1s and Ru 3d core levels in femtosecond soft X-ray photoemission spectra (PES) have been studied at a free electron laser (FEL) for an oxygen layer on Ru(0001). We fully reproduced the measurements by simulating the in-vacuum expansion of the ph...
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2015-03-01
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Online Access: | http://dx.doi.org/10.1063/1.4914892 |
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doaj-9edd03cf19f74619a026da7d7f87f5ea2020-11-24T22:32:14ZengAIP Publishing LLC and ACAStructural Dynamics2329-77782015-03-0122025101025101-1010.1063/1.4914892005502SDYVacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layerM. Dell'Angela0T. Anniyev1M. Beye2R. Coffee3A. Föhlisch4J. Gladh5S. Kaya6T. Katayama7O. Krupin8A. Nilsson9D. Nordlund10W. F. Schlotter11J. A. Sellberg12F. Sorgenfrei13J. J. Turner14H. Öström15H. Ogasawara16M. Wolf17W. Wurth18 Physics Department and Center for Free-Electron Laser Science, Universität Hamburg, 22607 Hamburg, Germany SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA LCLS, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA Institute for Methods and Instrumentation in Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Wilhelm-Conrad-Röntgen Campus, Albert-Einstein-Str. 15, 12489 Berlin, Germany Department of Physics, AlbaNova University Center, Stockholm University, SE-10691 Stockholm, Sweden SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA Linac Coherent Light Source, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA Department of Physics, AlbaNova University Center, Stockholm University, SE-10691 Stockholm, Sweden SSRL, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA Linac Coherent Light Source, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA Physics Department and Center for Free-Electron Laser Science, Universität Hamburg, 22607 Hamburg, Germany Linac Coherent Light Source, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA Department of Physics, AlbaNova University Center, Stockholm University, SE-10691 Stockholm, Sweden SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA Fritz-Haber Institute, Max Planck Society, Faradayweg 4-6, D-14195 Berlin, Germany Physics Department and Center for Free-Electron Laser Science, Universität Hamburg, 22607 Hamburg, GermanyVacuum space charge induced kinetic energy shifts of O 1s and Ru 3d core levels in femtosecond soft X-ray photoemission spectra (PES) have been studied at a free electron laser (FEL) for an oxygen layer on Ru(0001). We fully reproduced the measurements by simulating the in-vacuum expansion of the photoelectrons and demonstrate the space charge contribution of the high-order harmonics in the FEL beam. Employing the same analysis for 400 nm pump-X-ray probe PES, we can disentangle the delay dependent Ru 3d energy shifts into effects induced by space charge and by lattice heating from the femtosecond pump pulse.http://dx.doi.org/10.1063/1.4914892 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
M. Dell'Angela T. Anniyev M. Beye R. Coffee A. Föhlisch J. Gladh S. Kaya T. Katayama O. Krupin A. Nilsson D. Nordlund W. F. Schlotter J. A. Sellberg F. Sorgenfrei J. J. Turner H. Öström H. Ogasawara M. Wolf W. Wurth |
spellingShingle |
M. Dell'Angela T. Anniyev M. Beye R. Coffee A. Föhlisch J. Gladh S. Kaya T. Katayama O. Krupin A. Nilsson D. Nordlund W. F. Schlotter J. A. Sellberg F. Sorgenfrei J. J. Turner H. Öström H. Ogasawara M. Wolf W. Wurth Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer Structural Dynamics |
author_facet |
M. Dell'Angela T. Anniyev M. Beye R. Coffee A. Föhlisch J. Gladh S. Kaya T. Katayama O. Krupin A. Nilsson D. Nordlund W. F. Schlotter J. A. Sellberg F. Sorgenfrei J. J. Turner H. Öström H. Ogasawara M. Wolf W. Wurth |
author_sort |
M. Dell'Angela |
title |
Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer |
title_short |
Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer |
title_full |
Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer |
title_fullStr |
Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer |
title_full_unstemmed |
Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer |
title_sort |
vacuum space charge effects in sub-picosecond soft x-ray photoemission on a molecular adsorbate layer |
publisher |
AIP Publishing LLC and ACA |
series |
Structural Dynamics |
issn |
2329-7778 |
publishDate |
2015-03-01 |
description |
Vacuum space charge induced kinetic energy shifts of O 1s and Ru 3d core levels in femtosecond soft X-ray photoemission spectra (PES) have been studied at a free electron laser (FEL) for an oxygen layer on Ru(0001). We fully reproduced the measurements by simulating the in-vacuum expansion of the photoelectrons and demonstrate the space charge contribution of the high-order harmonics in the FEL beam. Employing the same analysis for 400 nm pump-X-ray probe PES, we can disentangle the delay dependent Ru 3d energy shifts into effects induced by space charge and by lattice heating from the femtosecond pump pulse. |
url |
http://dx.doi.org/10.1063/1.4914892 |
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