An algorithm is proposed for mathematical processing of Mössbauer spectra of solid solutions by the Tikhonov regularization method using the Voigt function as an elementary line. Spectra of solid solutions Fe100–xGex (x = 5–25 at.%) and Fe75Si15Al10 were processed as examples to show that the algorithm can produce a physically reasonable solution, improve significantly the quality of the processed spectra, and expand the possibilities of Mössbauer spectroscopy. The Voigt function was shown to be a satisfactory approximation for describing the statistical ensemble of nonequivalent local Fe configurations in disordered solid solutions.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 86, No. 3, pp. 374–381, May–June, 2019.
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Konygin, G.N., Nemtsova, O.M. & Porsev, V.E. Mössbauer Spectra of Solid Solutions Processed Using the Voigt Function. J Appl Spectrosc 86, 409–415 (2019). https://doi.org/10.1007/s10812-019-00834-0
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DOI: https://doi.org/10.1007/s10812-019-00834-0