najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2022-13-1-62-70najo-217Research ArticleСтатьиIterative method of reconstructing the size distribution function of spherical nanoparticles based on the intensity of the small-angle X-ray scattering including the interference contribution to the intensityKuchkoA. V.artemkav@gmail.comSmirnovA. V.smirnav_2@mail.ruITMO UniversityRussian Federation2022060620251316270Copyright © Kuchko A.V., Smirnov A.V., 20252025Kuchko A.V., Smirnov A.V.Kuchko A.V., Smirnov A.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/217

It has been shown that for systems of polydisperse spherical particles the interference distortions of the scattering intensity significantly affect the result of reconstructing the particle size distribution when the volume fraction of the scattering substance is higher than 10 %. We have developed an iterative method that reconstructs the size distribution function from the small-angle X-ray scattering intensity with interference distortions. The efficiency of this method is confirmed based on simulated scattering intensities and experimentally measured intensities of samples with a volume fraction of a scattering substance up to 40 %.

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The authors declare that there are no conflicts of interest present.