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Journal of Structural Chemistry

2016 year, number 4

SAS_ANALYZER SOFTWARE FOR SMALL ANGLE X-RAY SCATTERING DATA ANALYSIS

S.A. Poluyanov1, F.V. Tuzikov1, Yu.V. Larichev1,2, S.V. Tsybulya1,2
1Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2Novosibirsk National Research State University, Novosibirsk, Russia
Keywords: малоугловое рентгеновское рассеяние, обработка данных, минимизация, наноразмерные системы, small-angle X-ray scattering, data processing, minimization, nanosized systems

Abstract

New approaches to the small-angle scattering data analysis for nanosized systems are presented. They are based on the application of optimization methods and a repeated solution of direct problems. Based on the new approaches the program is developed which makes it possible to simulate small-angle X-ray diffraction data, to introduce collimation corrections, and to analyze the disperse composition of samples. Results of the program performance are demonstrated for a series of typical nanosized systems (sols, catalysts) and the program is compared with the available programs for small-angle data processing.