Experimental implementation of X-ray powder diffraction by polychromatic synchrotron radiation in the range of 20-30 keV

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Abstract

A method has been developed that allows X-ray structural analysis of polycrystals using a broad spectral band of synchrotron radiation in the range of 20-30 keV. This makes it possible to increase the number of photons in the primary beam by 2-3 orders of magnitude and, accordingly, reduce the exposure time of obtaining X-ray diffraction patterns to nanoseconds. The method is applied to reconstruct the X-ray diffraction pattern of silver behenate from the experimental X-ray diffraction curve obtained on polychromatic radiation of the VEPP-3 storage ring, which is an overlay of a thousand X-ray patterns at a thousand fixed wavelengths. It's reduced the exposure time of one X-ray diffraction patterns of a silver behenate polycrystal to 25 ns. The use of polychromatic synchrotron radiation (SR) opens up new possibilities for studying fast processes not only at XFELs but additionally at storage rings like the VEPP-3/VEPP-4 type and will provide information on the kinetics of phase formation of explosion products directly after the detonation waves.

Original languageEnglish
Title of host publicationSynchrotron and Free Electron Laser Radiation
Subtitle of host publicationGeneration and Application, SFR 2020
EditorsBoris Knyazev, Nikolay Vinokurov
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735440333
DOIs
Publication statusPublished - 17 Nov 2020
Event2020 Internetional Conference on Synchrotron and Free Electron Laser Radiation: Generation and Application, SFR 2020 - Novosibirsk, Russian Federation
Duration: 13 Jul 202016 Jul 2020

Publication series

NameAIP Conference Proceedings
Volume2299
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference2020 Internetional Conference on Synchrotron and Free Electron Laser Radiation: Generation and Application, SFR 2020
CountryRussian Federation
CityNovosibirsk
Period13.07.202016.07.2020

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