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  • EXAFS - Theory - Chemistry LibreTexts
    EXAFS (Extended X-ray Absorption Fine Structure) and XANES (X-Ray Absorption Near Edge structure) are regions of the spectrum obtained from XAS (X-ray Absorption Spectroscopy)
  • QuantitativeEXAFSAnalysis - NIST
    orms of condensed matter Because the basic physical process of x-ray absorption spectroscopy (XAS), the photo-excitation of a deep core electron, is element specific, EXAFS is applicab
  • X-ray absorption spectroscopy - PMC
    This review gives a brief description of the theory and application of X-ray absorption spectroscopy, both X-ray absorption near-edge structure (XANES) and extended X-ray absorption fine structure (EXAFS), especially, pertaining to photosynthesis
  • Fundamentals of X-ray Absorption Fine Structure - MIT
    The EXAFS Equation To model the EXAFS, we use the EXAFS Equation: χ(k) = X j N jf j(k)e −2k2σ2 j kR j 2 sin[2kR j + δ j(k)] where f (k) and δ(k) are photo-electron scattering properties of the neighboring atom (The sum is over “shells” of similar neighboring atoms) If we know these properties, we can determine: R distance to
  • EXAFS spectroscopy: a powerful tool for the study of local vibrational . . .
    Extended X-ray absorption fine structure (EXAFS) spectroscopy is an ideal technique for studying the local vibrational dynamics of materials due to its sensitivity to short-range order, correlation of atomic motion and anharmonicity
  • Extended X-Ray Absorption Fine Structure - Rutgers University
    EXAFS is a nondestructive, element-specific spectroscopictechnique with appli- cation to all elements from lithium to uranium It is employed as a direct probe of the atomic environment of an X-ray absorbing element and provides chemical bonding information
  • Revisiting the K-edge X-ray absorption fine structure of Si, Ge–Si . . .
    Extended X-ray absorption fine structure (EXAFS) has evolved into an unprecedented local-structure technique that is routinely used to study materials’ problems in the biological, chemical, and physical sciences
  • Extended X-Ray Absorption Fine Structure - ScienceDirect
    Extended X-ray absorption fine structure (EXAFS) is an advanced version of X-ray absorption spectroscopy (XAS) - a surface spectroscopy with detection ability down to ppt, which allows characterization of the coordination environment of an element
  • Chapter 30 Extended X-Ray Absorption Fine Structure - Springer
    Extended X-ray absorption fine structure (EXAFS) is a part of X-ray absorption spectroscopy methods to observe local structures of elements of interest EXAFS spectra contain information typically on bond lengths, coordination numbers, and displacements of lattices (disorders of atoms) with element specificity [1, 2]
  • EXAFS: theory and approaches - Wiley Online Library
    Due to its element-specific and short-range nature, X-ray absorption spectroscopy (XAS) has become one of the premier methods to investigate structural, vibrational and other properties of aperiodic materials





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