Abstract
A similiarity between theoretical calculations of the differential scattering cross section for electron energy-loss near edge structure (ELNES) and the cross section for x-ray absorption near edge structure (XANES) has been demonstrated by several workers (see, e.g. Leapman et al). Since theoretical XANES calculations using band structure methods have often given impressive agreement with experimental results, it is expected hat these same methods can be used under certain experimental conditions to fit ELNES theory to experimental data. The interpretation of ELNES may however, be subject to additional complications involving the multiple scattering of both the beam electron and the ejected core electron. Band structure calculations and multiple scattering techniques have also been used to interpret the ELNES of the carbon K-edge in Be2C. MgO has also been studied using the K.K.R. or Green's function method by Lindner et al. Here we report a further comparison of theoretical and experimental ELNES for MgO.
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