Abstract
An analytical description of X-ray photoemission spectra is constructed on the basis of solution of the boundary-value problem for the transport equation taking internal sources into account by invariant embedding methods. Solutions in the small-angle approximation and exact solutions obtained as a result of the numerical procedure. The photoelectron path lengths distributions in a target and coefficients of expansion of the photoemission flux density in a series of inelastic scattering multiplicities are determined. The invalidity of approaches neglecting processes of multiple elastic scattering when describing energy X-ray photoemission spectra is shown. Errors appearing in the case where approximations are used are estimated.
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Original Russian Text © V.P. Afanas’ev, O.Yu. Golovina, P.S. Kaplya, 2015, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, 2015, No. 4, pp. 19–23.
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Afanas’ev, V.P., Golovina, O.Y. & Kaplya, P.S. Quantitative interpretation of energy X-ray photoemission spectra. J. Surf. Investig. 9, 331–335 (2015). https://doi.org/10.1134/S1027451015010231
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DOI: https://doi.org/10.1134/S1027451015010231