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Proceedings Paper

Ultrafast x-ray spectroscopy for structural dynamics studies in chemistry and biology
Author(s): W. Gawelda; V. T. Pham; A. El Nahhas; S. L. Johnson; D. Grolimund; M. Kaiser; R. Abela; M. Chergui; C. Bressler
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Paper Abstract

Time-resolved x-ray absorption fine structure (XAFS) spectroscopy with picosecond temporal resolution is a new method to observe electronic and geometric structures of short-lived reaction intermediates. It combines an intense femtosecond laser source synchronized to the x-ray pulses delivered into the microXAS beamline of the Swiss Light Source (SLS). We present key experiments on charge transfer reactions as well as spin-crossover processes in coordination chemistry compounds next to solvation dynamics studies of photogenerated atomic radicals.

Paper Details

Date Published: 10 July 2007
PDF: 7 pages
Proc. SPIE 6727, ICONO 2007: Nonlinear Laser Spectroscopy and High-Precision Measurements; and Fundamentals of Laser Chemistry and Biophotonics, 67271P (10 July 2007); doi: 10.1117/12.752388
Show Author Affiliations
W. Gawelda, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Paul Scherrer Institut (Switzerland)
V. T. Pham, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
A. El Nahhas, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
S. L. Johnson, Paul Scherrer Institut (Switzerland)
D. Grolimund, Paul Scherrer Institut (Switzerland)
M. Kaiser, Paul Scherrer Institut (Switzerland)
R. Abela, Paul Scherrer Institut (Switzerland)
M. Chergui, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
C. Bressler, Ecole Polytechnique Fédérale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 6727:
ICONO 2007: Nonlinear Laser Spectroscopy and High-Precision Measurements; and Fundamentals of Laser Chemistry and Biophotonics

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