Hetero-site-specific X-ray pump-probe spectroscopy for femtosecond intramolecular dynamics
2016-05-23 | journal article
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Hetero-site-specific X-ray pump-probe spectroscopy for femtosecond intramolecular dynamics
Picón, A.; Lehmann, C. S.; Bostedt, C.; Rudenko, A.; Marinelli, A.; Osipov, T. & Rolles, D. et al. (2016)
Nature Communications, 7(1) art. 11652. DOI: https://doi.org/10.1038/ncomms11652
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Details
- Authors
- Picón, A.; Lehmann, C. S.; Bostedt, C.; Rudenko, A.; Marinelli, A.; Osipov, T.; Rolles, D.; Berrah, N.; Bomme, C.; Bucher, M.; Doumy, G.; Erk, B.; Ferguson, K. R.; Gorkhover, T.; Ho, P. J.; Kanter, E. P.; Krässig, B.; Krzywinski, J.; Lutman, A. A.; March, A. M.; Moonshiram, D.; Ray, D.; Young, L.; Pratt, S. T.; Southworth, S. H.
- Abstract
- New capabilities at X-ray free-electron laser facilities allow the generation of two-colour femtosecond X-ray pulses, opening the possibility of performing ultrafast studies of X-ray-induced phenomena. Particularly, the experimental realization of hetero-site-specific X-ray-pump/X-ray-probe spectroscopy is of special interest, in which an X-ray pump pulse is absorbed at one site within a molecule and an X-ray probe pulse follows the X-ray-induced dynamics at another site within the same molecule. Here we show experimental evidence of a hetero-site pump-probe signal. By using two-colour 10-fs X-ray pulses, we are able to observe the femtosecond time dependence for the formation of F ions during the fragmentation of XeF2 molecules following X-ray absorption at the Xe site.
- Issue Date
- 23-May-2016
- Journal
- Nature Communications
- Working Group
- RG Techert (Structural Dynamics in Chemical Systems)
- ISSN
- 2041-1723
- Language
- English
