Abstract
An overview is given of the use of powder synchrotron-X-ray and neutron diffraction to study very fast physical or chemical processes that require time resolution of 500 ms or less. The experimental requirements to obtain data of good quality are considered, including the incident flux, detector characteristics, and the different strategies possible for irreversible and reversible processes. The latter are accessible via a stroboscopic approach whereas the former require the maximum rates of data acquisition. Some recent studies are described, drawn from the areas of combustion synthesis, metallurgy and catalysis. The exploitation of the bunch structure of a synchrotron ring to obtain time resolution in the sub-ns range with the pump-probe stroboscopic approach is also illustrated.
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Fitch, A., Curfs, C. (2012). Ultrafast Powder Diffraction. In: Kolb, U., Shankland, K., Meshi, L., Avilov, A., David, W. (eds) Uniting Electron Crystallography and Powder Diffraction. NATO Science for Peace and Security Series B: Physics and Biophysics. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5580-2_8
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DOI: https://doi.org/10.1007/978-94-007-5580-2_8
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