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"Ultrafast X-ray experiments on structural changes in single crystals of polar molecules" M. Braun, C. Root, F. J. Lederer, T. E. Schrader, W. Zinth, C. von Korff Schmising, M. Bargheer, T. Elsaesser, M. WoernerApplied Physics A, 96 (2009) 107 Abstract: Intramolecular charge transfer in aminobenzonitrile (DIABN) single crystals is studied by a combination of ultrafast techniques. The intramolecular dynamics are probed by time-resolved spectroscopy in the UV/vis and mid-IR. The intermolecular structural response is investigated by transient X-ray scattering and transmission experiments. A theoretical analysis shows that diffuse scattering and dipole solvation determine the X-ray data. The observed dynamics result from charge transfer reaction leading to strong local changes of molecular dipole moments and related structural rearrangements in the crystal. BMO authors (in alphabetic order): Markus Braun Florian Lederer Christopher Root Tobias Schrader Wolfgang Zinth  WWW-Version |