Investigation of the dynamics of the Belousov—Zhabotinsky reaction by time-resolved X-ray absorption spectroscopy using adaptive X-ray optical elements

A.I. Protsenko^†^a, b, I.A. Eliovich^‡^a, b, A.E. Blagov^§^a, b, Yu.V. Pisarevsky^*^a, b, A.V. Targonsky^#^a, b, A.V. Rogachev^°^b, V.A. Korzhov^&^a, b, S.N. Yakunin^b, M.V. Kovalchuk^a, b
^aFederal Scientific Research Center "Crystallography and Photonics", Russian Academy of Sciences, Shubnikov Institute of Crystallography, Russian Academy of Sciences, Leninskii prosp. 59, Moscow, 119333, Russian Federaion
^bNational Research Centre ‘Kurchatov Institute’, pl. akad. Kurchatova 1, Moscow, 123182, Russian Federation

We performed an in-situ study of the Belousov—Zhabotinsky self-oscillatory chemical reaction using the developed technique of time-resolved X-ray absorption spectroscopy implemented with the help of adaptive X-ray optical elements (AXOEs). The dynamics of the K-edge absorption of bromine (Br), which is found in various substances during the reaction, were monitored. We carried out sequential recordings of the K-edge absorption spectrum of bromine in the vicinity of 275 eV with a spectral resolution of better than 1.4 eV, an accumulation time of 1 s per spectrum, and a repetition rate of 0.71 Hz. The acquired series of spectra allow us to trace the kinetics of the Belousov—Zhabotinsky reaction, in particular, the kinetics of chemical self-oscillations taking place in it.

Keywords: time-resolved X-ray spectroscopy, adaptive X-ray optics, bending actuator
PACS: 07.85.Nc, 07.85.Qe, 61.05.cj (all)
DOI: 10.3367/UFNe.2022.12.039281
URL: https://ufn.ru/en/articles/2023/12/e/
Web of Science

001172931200001
Scopus

2-s2.0-85183007471
ADS NASA

2023PhyU...66.1258P
Citation: Protsenko A I, Eliovich I A, Blagov A E, Pisarevsky Yu V, Targonsky A V, Rogachev A V, Korzhov V A, Yakunin S N, Kovalchuk M V "Investigation of the dynamics of the Belousov—Zhabotinsky reaction by time-resolved X-ray absorption spectroscopy using adaptive X-ray optical elements" Phys. Usp. 66 1258–1261 (2023)

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TY JOUR
TI Investigation of the dynamics of the Belousov—Zhabotinsky reaction by time-resolved X-ray absorption spectroscopy using adaptive X-ray optical elements
AU Protsenko, A. I.
AU Eliovich, I. A.
AU Blagov, A. E.
AU Pisarevsky, Yu. V.
AU Targonsky, A. V.
AU Rogachev, A. V.
AU Korzhov, V. A.
AU Yakunin, S. N.
AU Kovalchuk, M. V.
PB Physics-Uspekhi
PY 2023
JO Physics-Uspekhi
JF Physics-Uspekhi
JA Phys. Usp.
VL 66
IS 12
SP 1258-1261
UR https://ufn.ru/en/articles/2023/12/e/
ER https://doi.org/10.3367/UFNe.2022.12.039281

Received: 31st, October 2022, revised: 30th, November 2022, accepted: 1st, December 2022

Оригинал: Проценко А И, Элиович Я А, Благов А Е, Писаревский Ю В, Таргонский А В, Рогачёв А В, Коржов В А, Якунин С Н, Ковальчук М В «Исследование динамики реакции Белоусова—Жаботинского методом времяразрешающей рентгеновской спектроскопии поглощения с использованием адаптивных элементов рентгеновской оптики» УФН 193 1335–1339 (2023); DOI: 10.3367/UFNr.2022.12.039281