Departmental Bulletin Paper 粉末回折データに対する逆畳み込み・畳み込み処理の考え方
Concept of Deconvolution-Convolution Treatment on Powder X-ray Diffraction Data

井田, 隆

This article introduces the core concept of a deconvolution-convolution treatment (DCT) on powder diffraction data, recently proposed by the author. The method is based on a realistic spectroscopic profile of X-ray and the results of cumulant analysis of a precise approximate formula for the axial-divergence aberration in Bragg-Brentano geometry. It is demonstrated that the powder diffraction data treated by the method show almost symmetric single peak profile, and small unwanted peaks in the observed data are effectively removed by the method.

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