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The 904th IMS colloquium

Lecture Title "Mapping chemical interactions and dynamics with femtosecond x-ray pulses"
Date Friday 2 June 2017 16:00
Lecturer Dr. Philippe Wernet
(Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH)
Place

IMS Research Building, Seminar Room # 201
Summary

I will present in my talk examples from recently published [1-4] and from unpublished investigations for how we study chemical interactions and their ultrafast dynamics with soft x-ray spectroscopy. A special emphasize will be given to the investigation of molecules in solution and biomolecular systems under physiological conditions. We use time-resolved and steady-state soft x-ray spectroscopy at synchrotron radiation sources, at x-ray free-electron lasers and in the laboratory. The importance of applying short x-ray pulses to the systems under investigation will be highlighted. I will discuss how we extract information on chemical properties based on the experimental observables, emphasize the importance of effective and efficient theoretical approaches for this and highlight the importance of choosing suitable sample preparation techniques and experimental procedures in general for avoiding x-ray beam damage of the samples.

1. Ph. Wernet, et al., Nature 520, 78-81 (2015).
2. K. Kunnus, et al., J. Phys. Chem. B 120, 7182-7194 (2016).
3. K. Kunnus, et al., Structural Dynamics 3, 043204 (2016).
4. S. Schreck, Ph. Wernet, J. Chem. Phys. 145, 104502 (2016).

For more information here.
Other

Contact: Nobuhiro Kosugi
             (Department of Photo-Molecular Science)  
Takeshi Yanai & Takao Fuji (IMS colloquium FY2017 committee)
Awards & Honors International collaboration

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