Spin-state studies with XES and RIXS: From static to ultrafast

Research output: Contribution to journalJournal article – Annual report year: 2012Researchpeer-review

  • Author: Vankó, György

    Hungarian Academy of Sciences, Hungary

  • Author: Bordage, Amélie

    Hungarian Academy of Sciences, Hungary

  • Author: Glatzel, Pieter

    European Synchrotron Radiation Facility, France

  • Author: Gallo, Erik

    European Synchrotron Radiation Facility, France

  • Author: Rovezzi, Mauro

    European Synchrotron Radiation Facility, France

  • Author: Gawelda, Wojciech

    European XFEL, Germany

  • Author: Galler, Andreas

    European XFEL, Germany

  • Author: Bressler, Christian

    European XFEL, Germany

  • Author: Doumy, Gilles

    Argonne National Laboratory, United States

  • Author: March, Anne Marie

    Argonne National Laboratory, United States

  • Author: Kanter, Elliot P.

    Argonne National Laboratory, United States

  • Author: Young, Linda

    Argonne National Laboratory, United States

  • Author: Southworth, Stephen H.

    Argonne National Laboratory, United States

  • Author: Canton, Sophie E.

    Lund University, Sweden

  • Author: Uhlig, Jens

    Lund University, Sweden

  • Author: Smolentsev, Grigory

    Lund University, Sweden

  • Author: Sundström, Villy

    Lund University, Sweden

  • Author: Haldrup, Kristoffer

    Department of Physics, Technical University of Denmark, Fysikvej, 2800, Kgs. Lyngby, Denmark

  • Author: Brandt van Driel, Tim

    Department of Physics, Technical University of Denmark, Fysikvej, 2800, Kgs. Lyngby, Denmark

  • Author: Nielsen, Martin Meedom

    Department of Physics, Technical University of Denmark, Fysikvej, 2800, Kgs. Lyngby, Denmark

  • Author: Kjaer, Kasper S.

    University of Copenhagen, Denmark

  • Author: Lemke, Henrik T.

    University of Copenhagen, Denmark

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We report on extending hard X-ray emission spectroscopy (XES) along with resonant inelastic X-ray scattering (RIXS) to study ultrafast phenomena in a pump-probe scheme at MHz repetition rates. The investigated systems include low-spin (LS) FeII complex compounds, where optical pulses induce a spin-state transition to their (sub)nanosecond-lived high-spin (HS) state. Time-resolved XES clearly reflects the spin-state variations with very high signal-to-noise ratio, in agreement with HS–LS difference spectra measured at thermal spin crossover, and reference HS–LS systems in static experiments, next to multiplet calculations. The 1s2p RIXS, measured at the Fe 1s pre-edge region, shows variations after laser excitation, which are consistent with the formation of the HS state. Our results demonstrate that X-ray spectroscopy experiments with overall rather weak signals, such as RIXS, can now be reliably exploited to study chemical and physical transformations on ultrafast time scales.

Original languageEnglish
JournalJournal of Electron Spectroscopy and Related Phenomena
Volume188
Pages (from-to)166-171
ISSN0368-2048
DOIs
Publication statusPublished - 2013
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Molecular switching, Time-resolved spectroscopy, X-ray spectroscopy, Spin transition, Photoinduced transition, Ultrafast phenomena, Pump-probe experiments

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