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Feasibility of Valence-to-Core X-ray Emission Spectroscopy for Tracking Transient Species

  • Anne Marie March
  • , Tadesse A. Assefa
  • , Christian Bressler
  • , Gilles Doumy
  • , Andreas Galler
  • , Wojciech Gawelda
  • , Elliot P. Kanter
  • , Zoltan Nemeth
  • , Mátyás Imre Pápai
  • , Stephen H. Southworth
  • , Linda Young
  • , Gyoergy Vanko
  • Argonne National Laboratory
  • European XFEL
  • Hungarian Academy of Sciences

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

X-ray spectroscopies, when combined in laser-pump, X-ray-probe measurement schemes, can be powerful tools for tracking the electronic and geometric structural changes that occur during the course of a photoinitiated chemical reaction. X-ray absorption spectroscopy (XAS) is considered an established technique for such measurements, and X-ray emission spectroscopy (XES) of the strongest core-to-core emission lines (K alpha and K beta) is now being utilized. Flux demanding valence-to-core XES promises to be an important addition to the time-resolved spectroscopic toolkit. In this paper we present measurements and density functional theory calculations on laser-excited, solution-phase ferrocyanide that demonstrate the feasibility of valence-to-core XES for time-resolved experiments. We discuss technical improvements that will make valence-to-core XES a practical pump-probe technique.
Original languageEnglish
JournalJournal of Physical Chemistry C
Volume119
Issue number26
Pages (from-to)14571-14578
Number of pages8
ISSN1932-7447
DOIs
Publication statusPublished - 2015
Externally publishedYes

Bibliographical note

ACS AuthorChoice - This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.

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