SEARCH Articles Figures Tables Absorption of X-ray photons Basic Principles of X-ray Absorption Spectroscopy (XAS) Fundamentals of Near-Edge X-Ray Absorption Spectroscopy Mossbauer X-ray absorption spectra of iron-sulfur clusters Near-edge X-ray absorption spectroscopy of catalyst-related matter X-Ray absorption spectra of [ XAS and Extended X-Ray Absorption Fine Structure (EXAFS) for Determination of the Short-Range Order