doi: 10.17586/2226-1494-2015-15-2-267–274


SAXSEV 2.1 CROSS-PLATFORM APPLICATION FOR DATA ANALYSIS OF SMALL-ANGLE X-RAY SCATTERING FROM POLYDISPERSE SYSTEMS

A. V. Kuchko, A. V. Smirnov


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Article in Russian

For citation: Kuchko А.V., Smirnov A.V. SAXSEV 2.1 cross-platform application for data analysis of small-angle X-ray scattering from polydisperse systems. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2015, vol.15, no. 2, pp. 267–274.

Abstract

The present paper discusses development and implementation of the cross-platform application with a graphical user interface for estimation of the particle volume fraction distribution function and fitting specific surface area to this distribution pattern. SAXSEV implements the method of statistical regularization for ill-posed mathematical tasks being solved with the use of Numpy, Scipy and MathPlotlib libraries. The main features of this software application are the ability to adjust the arguments grid of the desired function and the ability to select the optimal value of the regularization parameter. This parameter is selected by several specific and one common criteria. The software application consists of modules written in Python3. The modules are combined by common interface based on Tkinter library. Current version SAXSEV 2.1 was tested on the basis of Windows XP / Vista / 7/8, Ubuntu 14.1. SAXSEV 2.1 was used successfully at effectiveness study of statistical regularization method for analyzing dispersed system by SAXS, at research of the powder consisting from nanoparticles and composite materials with nanoparticles inclusion.


Keywords: small-angle X-ray scattering, polydisperse system, distribution of volume fractions, specific surface area, selection criteria for regularization parameter.

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