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

Dell'Angela, M., Anniyev, T., Beye, M., Coffee, R., Föhlisch, A., Gladh, J., et al. (2015). Vacuum space charge effects in sub-picosecond soft X-ray photoemission on a molecular adsorbate layer. Structural Dynamics, 2(2): 025101. doi:10.1063/1.4914892.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-7936-9 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002C-A890-C
Genre: Journal Article

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 Creators:
Dell'Angela, M.1, 2, Author
Anniyev, T.3, Author
Beye, M.3, 4, Author
Coffee, R.5, Author
Föhlisch, A.4, 6, Author
Gladh, J.7, Author
Kaya, S.3, Author
Katayama, T.3, Author
Krupin, O.8, 9, Author
Nilsson, A.3, 7, 10, Author
Nordlund, D.10, Author
Schlotter, W. F.8, Author
Sellberg, J. A.3, 7, Author
Sorgenfrei, F.1, Author
Turner, J. J.8, Author
Öström, H.7, Author
Ogasawara, H.3, 10, Author
Wolf, Martin11, Author           
Wurth, W.1, Author
Affiliations:
1Physics Department and Center for Free-Electron Laser Science, Universität Hamburg, 22607 Hamburg, Germany, ou_persistent22              
2Elettra-Sincrotrone Trieste S.C.p.A., Strada Statale 14-km 163.5, 34149 Trieste, Italy, ou_persistent22              
3SUNCAT Center for Interface Science and Catalysis, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA, ou_persistent22              
4Institute 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, ou_persistent22              
5LCLS, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA, ou_persistent22              
6Institut für Physik und Astronomie, Universität Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany, ou_persistent22              
7Department of Physics, AlbaNova University Center, Stockholm University, SE-10691 Stockholm, Sweden, ou_persistent22              
8Linac Coherent Light Source, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA, ou_persistent22              
9European XFEL GmbH, Albert-Einstein-Ring 19, 22761 Hamburg, Germany, ou_persistent22              
10SSRL, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA, ou_persistent22              
11Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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Free keywords: Photons Photoemission Free electron lasers X-ray spectra Space charge effects
 Abstract: 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.

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Language(s): eng - English
 Dates: 2014-12-112015-03-032015-03-18
 Publication Status: Published online
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1063/1.4914892
 Degree: -

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Title: Structural Dynamics
Source Genre: Journal
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Publ. Info: Melville, NY : American Institute of Physics
Pages: - Volume / Issue: 2 (2) Sequence Number: 025101 Start / End Page: - Identifier: Other: 2329-7778
CoNE: https://pure.mpg.de/cone/journals/resource/2329-7778