Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer

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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Main Authors: 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
Format: Article
Language:English
Published: AIP Publishing LLC and ACA 2015-03-01
Series:Structural Dynamics
Online Access:http://dx.doi.org/10.1063/1.4914892
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spelling 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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