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Journal Article

Imaging molecular structure through femtosecond photoelectron diffraction on aligned and oriented gas-phase molecules.

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Techert,  S.
Research Group of Structural Dynamics of (Bio)Chemical Systems, MPI for biophysical chemistry, Max Planck Society;

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Citation

Boll, R., Rouzée, A., Adolph, M., Anielski, D., Aquila, A., Bari, S., et al. (2014). Imaging molecular structure through femtosecond photoelectron diffraction on aligned and oriented gas-phase molecules. Faraday Discussions, 171(1-2), 57-80. doi:10.1039/C4FD00037D.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0023-C3E6-D
Abstract
This paper gives an account of our progress towards performing femtosecond time-resolved photoelectron diffraction on gas-phase molecules in a pump–probe setup combining optical lasers and an X-ray free-electron laser. We present results of two experiments aimed at measuring photoelectron angular distributions of laser-aligned 1-ethynyl-4-fluorobenzene (C8H5F) and dissociating, laser-aligned 1,4-dibromobenzene (C6H4Br2) molecules and discuss them in the larger context of photoelectron diffraction on gas-phase molecules. We also show how the strong nanosecond laser pulse used for adiabatically laser-aligning the molecules influences the measured electron and ion spectra and angular distributions, and discuss how this may affect the outcome of future time-resolved photoelectron diffraction experiments.