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  Core-level transient absorption spectroscopy as a probe of electron hole relaxation in photoionized H+(H2O)n

Li, Z., Madjet, M.-E.-A., Vendrell, O., & Santra, R. (2014). Core-level transient absorption spectroscopy as a probe of electron hole relaxation in photoionized H+(H2O)n. Faraday Discussions, 171, 457-470. doi:10.1039/c4fd00078a.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-2507-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-2508-1
Genre: Journal Article

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http://dx.doi.org/10.1039/C4FD00078A (Publisher version)
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 Creators:
Li, Zheng1, 2, 3, Author              
Madjet, Mohamed El-Amine2, Author
Vendrell, Oriol2, 4, Author
Santra, Robin2, 3, 4, Author
Affiliations:
1International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266714              
2Center for Free-Electron Laser Science, DESY, Notkestraße 85, D-22607 Hamburg, Germany, ou_persistent22              
3Department of Physics, University of Hamburg, D-20355 Hamburg, Germany, ou_persistent22              
4The Hamburg Centre for Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany, ou_persistent22              

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Free keywords: Emerging Photon Technologies for Chemical Dynamics
 Abstract: There is fundamental interest in understanding the coupled nuclear and electronic dynamics associated with charge transfer processes in complex molecules and materials, which are often mediated by electron, electron hole or proton motion. With dramatic improvements in the techniques to generate extreme ultraviolet (XUV) and Xray femtosecond pulses, it now becomes possible to trigger and probe these kinds of processes in real time. Here we study the dynamics of an electron hole created by photoionization in the valence shell of protonated water clusters H+(H2O)n. We demonstrate that the electron hole is strongly correlated with the protons forming the hydrogen bond network. We show that it is possible to probe key aspects of the valence electron hole dynamics and the coupled nuclear motion with femtosecond time resolution by resonantly exciting K-shell 1s electrons to fill the electron hole. This represents an opportunity for X-ray transient absorption spectroscopy.

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Language(s): eng - English
 Dates: 2014-04-232014-04-292014-06-252014-12-01
 Publication Status: Published in print
 Pages: 14
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1039/c4fd00078a
 Degree: -

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Title: Faraday Discussions
  Abbreviation : Faraday Discuss.
Source Genre: Journal
 Creator(s):
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Publ. Info: London : Royal Society of Chemistry
Pages: - Volume / Issue: 171 Sequence Number: - Start / End Page: 457 - 470 Identifier: ISSN: 1359-6640
CoNE: /journals/resource/954925269326