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X-ray photon correlation spectroscopy

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X-ray photon correlation spectroscopy


X-ray photon correlation spectroscopy (XPCS) in physics and chemistry, is a novel technique that exploits a coherent X-ray synchrotron beam to measure the dynamics of a sample. By recording how a coherent speckle pattern fluctuates in time, one can measure a time correlation function, and thus measure the timescale processes of interest (diffusion, relaxation, reorganization, etc.). XPCS is used to study the slow dynamics of various equilibrium and non-equilibrium processes occurring in condensed matter systems.

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Wikipedia contributors. "X-ray photon correlation spectroscopy." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Feb. 19, 2024.

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