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Journal Article

Hetero-site-specific X-ray pump-probe spectroscopy for femtosecond intramolecular dynamics.

MPS-Authors
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Rolles,  D.
Research Group of Structural Dynamics of (Bio)Chemical Systems, MPI for Biophysical Chemistry, Max Planck Society;

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Bomme,  C.
Research Group of Structural Dynamics of (Bio)Chemical Systems, MPI for Biophysical Chemistry, Max Planck Society;

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Fulltext (public)

2367172.pdf
(Publisher version), 5MB

Supplementary Material (public)

2367172_Suppl.pdf
(Supplementary material), 2MB

Citation

Picón, A., Lehmann, C. S., Bostedt, C., Rudenko, A., Marinelli, A., Osipov, T., et al. (2016). Hetero-site-specific X-ray pump-probe spectroscopy for femtosecond intramolecular dynamics. Nature Communications, 7: 11652. doi:10.1038/ncomms11652.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002C-0D41-5
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.