Структурообразование в образцах оксида висмута при воздействии синхротронного излучения

УДК 621.384.634

  • P.O. Shalaev Siberian Federal University (Krasnoyarsk, Russia) Email: pshalaev@sfu-kras.ru
  • L.I. Kveglis Siberian Federal University (Krasnoyarsk, Russia) Email: kveglis@list.ru
  • V.P. Zhereb Siberian Federal University (Krasnoyarsk, Russia) Email: vpzhereb@rambler.ru
  • G.S. Bektasova Sarsen Amanzholov East Kazakhstan University (Ust-Kamenogorsk, Kazakhstan) Email: bektasovags@mail.ru
  • T.V. Bermeshev Siberian Federal University (Krasnoyarsk, Russia) Email: vpzhereb@rambler.ru
  • N.I. Razumov Institute of Solid State Chemistry and Mechanochemistry SB RAS (Novosibirsk, Russia) Email: razumov.kolya@mail.ru
DOI_disc_logo https://doi.org/10.14258/izvasu(2022)1-10
Keywords: bismuth oxide, diffraction studies, polymorphism, synchrotron radiation, shock-wave loading

Abstract

In this work, samples of the δ-Bi2O3 phase are investigated. This phase is known as a solid electrolyte and has a very high ionic conductivity. The investigated structure formation is caused by synchrotron radiation (SR) directed to the surface of a δ-Bi2O3 crystal. SR differs from radiation received from other sources in its wide spectral range (from infrared to hard X-ray) and high intensity. Diffraction patterns obtained during the exposure process are decoded and studied in this work. The study reveals the polymorphism that forms a phase sample of δ-Bi2O3 under the action of SR as an example of a nonequilibrium transition. In complex compounds, the processes of redistribution of elements in the composition of microstructures are not yet understood due to the fact that radiation-enhanced phase formation is possible during irradiation. The texture found in the diffraction pattern can be explained as the result of the shock-wave load coming from the SR.

This process arises from a collection of optical phonons with different wavelengths. Deformations of the crystal lattice are created under a strong electron-phonon interaction. It leads to a displacement of atoms which is recorded during the decoding of the diffraction patterns.

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Author Biographies

P.O. Shalaev, Siberian Federal University (Krasnoyarsk, Russia)

аспирант кафедры материаловедения и технологии обработки материалов Политехнического института

L.I. Kveglis, Siberian Federal University (Krasnoyarsk, Russia)

доктор физико-математических наук, старший научный сотрудник, профессор кафедры материаловедения и технологии обработки материалов

V.P. Zhereb, Siberian Federal University (Krasnoyarsk, Russia)

доктор химических наук, профессор, заведующий кафедрой материаловедения и термической обработки металлов им. В.С. Биронта Института цветных металлов и материаловедения

G.S. Bektasova, Sarsen Amanzholov East Kazakhstan University (Ust-Kamenogorsk, Kazakhstan)

кандидат философских наук, заведующая кафедрой физики и технологий

T.V. Bermeshev, Siberian Federal University (Krasnoyarsk, Russia)

старший инженер кафедры материаловедения и термической обработки металлов им. В.С. Биронта Института цветных металлов и материаловедения

N.I. Razumov, Institute of Solid State Chemistry and Mechanochemistry SB RAS (Novosibirsk, Russia)

младший научный сотрудник Лаборатории радиационной химии высокоэнергетических электронов

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Published
2022-03-18
How to Cite
Shalaev P., Kveglis L., Zhereb V., Bektasova G., Bermeshev T., Razumov N. Структурообразование в образцах оксида висмута при воздействии синхротронного излучения // Izvestiya of Altai State University, 2022, № 1(123). P. 69-72 DOI: 10.14258/izvasu(2022)1-10. URL: https://izvestiya.asu.ru/article/view/%282022%291-10.
Issue
No 1(123) (2022): Известия Алтайского государственного университета
Section
Физика

Copyright (c) 2022 Павел Олегович Шалаев, Людмила Иосифовна Квеглис, Владимир Павлович Жереб, Гульсум Сафуановна Бектасова, Тимофей Владимирович Бермешев, Николай Иванович Разумов

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