techusguИзвестия Юго-Западного государственного университета. Серия: Техника и технологииProceedings of the Southwest State University. Series: Engineering and Technology2223-1528Юго-Западный государственный университет10.21869/2223-1528-2022-12-1-190-207techusgu-73Research ArticleФИЗИКАPHYSICSОсобенности нанокристаллов ZnSxSe1-x:Mn, полученных методом самораспространяющегося высокотемпературного синтезаPeculiarities of ZnSxSe1-x:Mn, Nanocrystals Obtained by Combustion Synthesishttps://orcid.org/0000-0003-3805-5026ПлахтийЕ. Г.PlakhtiiE. G.

Плахтий Евгений Георгиевич, соискатель  кафедры теоретической и экспериментальной физики института инженерных и цифровых технологий

ул. Победы 85, г. Белгород 308015

Evgenii G. Plakhtii, Applicante of the Department of Theoretical and Experimental Physics  of the Institute of Engineering and Digital  Technologies

85 Pobeda str., Belgorod 308015

plakhtii.ev@gmail.comhttps://orcid.org/0000-0001-7055-8243ЗахвалинскийВ. С.ZakhvalinskyV. S.

Захвалинский Василий Сергеевич, доктор физико-математических наук, профессор,  профессор кафедры теоретической  и экспериментальной физики института  инженерных и цифровых технологий

ул. Победы 85, г. Белгород 308015

Vasily S. Zakhvalinsky, Dr. of Sci. (Physics and Mathematics), Professor, Professor  of the Department of Theoretical and  Experimental Physics of the Institute  of Engineering and Digital Technologies

85 Pobeda str., Belgorod 308015

zakhvalinskii@bsu.edu.ruТрубаевА. А.TrubaevA. A.

Трубаев Алексей Андреевич, аспирант  кафедры теоретической и экспериментальной физики института инженерных и цифровых технологий

ул. Победы 85, г. Белгород 308015

Aleksei A. Trubaev, Post-Graduate Student  of the Department of Theoretical and  Experimental Physics of the Institute  of Engineering and Digital Technologies

85 Pobeda str., Belgorod 308015

tpy6aev@mail.ruhttps://orcid.org/0000-0001-7487-2141ГолевИ. М.GolevI. M.

Голев Игорь Михайлович, доктор физико- математических наук, профессор, профессор кафедры физики и химии,

ул. Старых Большевиков 54а, г. Воронеж 394064

Igor M. Golev, Dr. of Sci. (Physics and Mathematics), Professor, Professor of the Department of Physics and Chemistry Military Educational and Scientific Center

54a Starykh Bolshevikov str., Voronezh 394064

imgolev@mail.ruБелгородский государственный национальный исследовательский университетРоссияBelgorod State National Research UniversityRussian FederationВоенно-учебный научный центр Военно-воздушных сил «Военно-воздушная академия имени профессора Н. Е. Жуковского и Ю. А. Гагарина»РоссияAir Force, Air Force Academy named after Professor N. E. Zhukovsky and Yu. A. GagarinRussian Federation202228042023121190207Copyright © Плахтий Е.Г., Захвалинский В.С., Трубаев А.А., Голев И.М., 20232023Плахтий Е.Г., Захвалинский В.С., Трубаев А.А., Голев И.М.Plakhtii E.G., Zakhvalinsky V.S., Trubaev A.A., Golev I.M.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://techusgu.elpub.ru/jour/article/view/73Цель исследования

Цель исследования. Определение размерных характеристик, фазового и химического состава нанокристаллов ZnSxSe1-x с шагом параметра состава x = 0,2, полученных методом самораспространяющегося высокотемпературного синтеза.  

Методы

Методы. Характеризация полученных методом самораспространяющегося высокотемпературного синтеза нанокристаллов ZnSxSe1-x с помощью сканирующей микроскопии, рентгенодифракционного анализа и электронного парамагнитного резонанса. 

Результаты

Результаты. Определены параметры кристаллической решетки синтезированных нанокристаллов ZnSxSe1-x:Mn, они находились в пределах от a = 5,386 Å (для х = 1) до a = 5,633 Å (для х = 0). Определены размеры синтезированных нанокристаллов ZnSxSe1-x:Mn, они составляли от 50±5 нм до 80±5 нм. Построены зависимости состава полученного после синтеза порошка от состава заложенной шихты до синтеза, микронапряжений и размеров нанокристаллов в зависимости от параметра состава х, долей кубической и гексагональной фаз в зависимости от параметра состава х, полуширин узких и широкой линий спектра ЭПР от параметра х, резонансного значения магнитного поля широкой линии поглощения, обусловленной наличием ионов Mn2+ и константы А сверхтонкой структуры спектров ЭПР ионов Mn2+ от параметра х. 

Заключение

Заключение. Полученные нанокристаллы характеризуются высоким совершенством кристаллической структуры. Резкое изменение исследованных зависимостей для нанокристаллов ZnS0.4Se0.6:Mn и при переходе из нанокристаллов ZnS0.2Se0.4:Mn в ZnS0.4Se0.6:Mn может быть объяснено наименьшим размером нанокристаллов ZnS0.4Se0.6:Mn, одновременным нахождением в твердом растворе практически одинакового количества S и Se и увеличением роли поверхностных явлений на границе нанокристаллов.

Purpose

Purpose. Determination of the dimensional characteristics, phase and chemical composition of ZnSxSe1-x nanocrystals with a parameter step x = 0.2, obtained by the combustion synthesis.

Methods

Methods. Characterization of ZnSxSe1-x nanocrystals using scanning microscopy, X-ray diffraction analysis and EPR spectroscopy obtained by the combustion synthesis.

Results

Results. We determined the crystal lattice parameters of the synthesized ZnSxSe1-x:Mn nanocrystals, which were ranged from a = 5.386 Å (для х = 1) to a = 5.633 Å (для х = 0). We determined the sizes of the synthesized ZnSxSe1-x:Mn nanocrystals, which were ranged ranged from 50±5 nm to 80±5 nm. The dependences of the loaded charge before synthesis and the powder obtained after synthesis, microstresses and sizes of nanocrystals depending on the parameter x, fractions of cubic and hexagonal phases depending on the parameter of composition x, half-widths of narrow and wide lines of the EPR spectrum on parameter x, the resonant value of the magnetic field of the broad absorption line due to Mn2+ ions and the constant A of the hyperfine structure of the EPR spectra of Mn2+ ions on the parameter x are plotted.

Conclusion

Conclusion. The obtained nanocrystals are characterized by a high perfection of the crystal structure. The change in the studied dependences for ZnS0.4Se0.6:Mn nanocrystals and upon transition from ZnS0.2Se0.4:Mn nanocrystals to ZnS0.4Se0.6:Mn nanocrystals can be explained by the smallest size of ZnS0.4Se0.6:Mn nanocrystals, the simultaneous presence of almost the same amount of S and Se in the solid solution, and an increase in the role of surface phenomena at the nanocrystal boundary.

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