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Time-resolved X-ray diffraction on laser-shocked crystals

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Time-resolved X-ray diffraction measurements in shock wave experiments provide considerable insight into atomic mechanisms governing fast structural changes in crystalline solids. The penetration power of high energy X-rays combined with the highest wave vector resolution represents a powerful tool for probing lattice strain inside the bulk of crystalline solids under shock loading. We have developed a method for obtaining diffraction data from laser-shocked solids using a high-resolution triple-axis diffractometer coupled to a short-pulsed laser source. Results obtained from shock-compressed KCl and CdS single crystals will be presented to illustrate the method.

This talk is part of the Surfaces, Microstructure and Fracture Group series.

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