Joern Seltmann

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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(More)
Enrico Allaria, Bruno Diviacco, Carlo Callegari, Paola Finetti, Benoît Mahieu, Jens Viefhaus, Marco Zangrando, Giovanni De Ninno, Guillaume Lambert, Eugenio Ferrari, Jens Buck, Markus Ilchen, Boris Vodungbo, Nicola Mahne, Cristian Svetina, Carlo Spezzani, Simone Di Mitri, Giuseppe Penco, Mauro Trovó, William M. Fawley, Primoz R. Rebernik, David Gauthier,(More)
We report on a new dynamic-XPS end-station for real-time investigations of advanced materials. The end-station is based on a new Argus hemispherical electron spectrometer with high speed detection system. In combination with the high brilliance XUV beamline P04 at PETRA III it provides users at PETRA III a unique tool for fast (down to 0.1 s/spectrum) and(More)
The control of polarization state in soft and hard X-ray light is of crucial interest to probe structural and symmetry properties of matter. Thanks to their Apple-II type undulators, the FERMI-Free Electron Lasers are able to provide elliptical, circular or linearly polarized light within the extreme ultraviolet and soft X-ray range. In this paper, we(More)
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