X-ray Absorption Spectroscopy

1.59.1 PHYSICS OF X-RAY ABSORPTION 1 1.59.1.1 X-ray Absorption Edges 2 1.59.1.2 X-ray Fluorescence 3 1.59.1.3 Measurement of X-ray Absorption Spectra 3 1.59.2 EXTENDED X-RAY ABSORPTION FINE STRUCTURE 6 1.59.2.1 Theoretical Description of EXAFS Spectra 6 1.59.2.1.1 Single scattering 6 1.59.2.1.2 Multiple scattering 8 1.59.2.1.3 Other corrections to the EXAFS equation 9 1.59.2.2 Programs for Calculating and Analyzing EXAFS 9 1.59.2.2.1 Fourier transforms 10 1.59.2.2.2 Curve fitting 11 1.59.2.3 Limitations of EXAFS 12 1.59.2.4 Applications of EXAFS to Coordination Chemistry 14 1.59.2.4.1 De novo structure determination 14 1.59.2.4.2 Solution structure determination 15 1.59.2.4.3 Resolution of crystallographic disorder 15 1.59.2.4.4 Time-dependent structural evolution 16 1.59.3 X-RAY ABSORPTION NEAR EDGE STRUCTURE 16 1.59.3.1 Sensitivity of XANES to Oxidation State 17 1.59.3.2 Multiple Scattering and XANES 18 1.59.3.3 Bound State Transitions in XANES 18 1.59.3.4 Multi-electron Transitions in XANES 19 1.59.3.5 Applications of XANES to Coordination Chemistry 20 1.59.4 HIGHER RESOLUTION XAS 20 1.59.4.1 Polarization-dependent Measurements 21 1.59.4.1.1 Linearly polarized measurements 21 1.59.4.1.2 X-ray MCD 21 1.59.4.1.3 Natural circular dichroism 21 1.59.4.2 High-resolution X-ray Fluorescence 22 1.59.4.2.1 Elimination of lifetime broadening in XANES 22 1.59.4.2.2 Site-selective XAS 22 1.59.4.3 Spatially Resolved Measurements 23 1.59.4.3.1 Methods for focusing X rays 23 1.59.4.3.2 Applications of X-ray microprobes 23 1.59.5 REFERENCES 24