Geometrical effects on line shape and background in experimental Mössbauer spectra
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The finite size of the Mössbauer absorber is taken into account to relieve geometrical conditions. An analytical expression reproducing quite accurately the actual shape of the resonant lines is derived. Deviations from the assumptions made have a small effect on line shape. The expression can easily be included in standard Mössbauer fitting routines to obtain accurate values of physical parameters even with bad geometrical conditions.
KeywordsThin Film Physical Parameter Line Shape Finite Size Geometrical Condition
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