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X-ray absorption spectroscopy (XAS)

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X-ray absorption spectroscopy


X-ray absorption spectroscopy (XAS) is a set of advanced techniques used for probing the local environment of matter at atomic level and its electronic structure. The experiments require access to synchrotron radiation facilities for their intense and tunable X-ray beams. Samples can be in the gas phase, solutions, or solids.

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Wikipedia contributors. "X-ray absorption spectroscopy." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, April 20, 2025.

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Extended X-ray absorption fine-structure spectroscopy (EXAFS)

Extended X-ray absorption fine structure (EXAFS), along with X-ray absorption near edge structure (XANES), is a subset of X-ray absorption spectroscopy (XAS). Like other absorption spectroscopies, XAS techniques follow Beer's law. The X-ray absorption coefficient …

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