danДоклады Национальной академии наук БеларусиDoklady of the National Academy of Sciences of Belarus1561-83232524-2431The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1561-8323-2025-69-2-109-116dan-1242Research ArticleФИЗИКАPHYSICSВлияние термоциклирования на оптические свойства наноструктурированных покрытий TiAlN/CuEffect of thermal cycles on optical properties of nanostructured coatings TiAlN/CuПархоменкоИ. Н.ParkhomenkoI. N.

Пархоменко Ирина Николаевна – канд. физ.-мат. наук,вед. науч. сотрудник

ул. Курчатова, 5, 220045, Минск

Parkhomenko Irina N. – Ph. D. (Physics and Mathematics), Leading Researcher

5, Kurchatov Str., 220045, Minsk

parkhomenko@bsu.byВласуковаЛ. А.VlasukovaL. A.

Власукова Людмила Александровна – канд. физ.-мат. наук, заведующая лабораторией

ул. Курчатова, 5, 220045, Минск

Vlasukova Liudmila A. – Ph. D. (Physics and Mathematics), Head of the Laboratory

5, Kurchatov Str., 220045, Minsk

vlasukova@bsu.byЗайковВ. А.ZaikovV. A.

Зайков Валерий Александрович – ст. преподаватель

ул. Курчатова, 1, 220045, Минск

 

Zaikov Valery A. – Senior Lecturer

1, Kurchatov Str., 220045, Minsk

zaikov@bsu.byКомаровФ. Ф.KomarovF. F.

Комаров Фадей Фадеевич – академик, д-р физ.-мат. наук, заведующий лабораторией

ул. Курчатова, 7, 220045, Минск

Komarov Fadei F. – Academician, D. Sc. (Physics and Mathematics), Head of the Laboratory

7, Kurchatov Str., 220045, Minsk

komarovf@bsu.byКамышанА. С.KamyshanA. S.

Камышан Александр Степанович – канд. физ.-мат. наук, вед. науч. сотрудник

ул. Курчатова, 7, 220045, Минск

Kamyshan Alexander S. – Ph. D. (Physics and Mathematics), Leading Researcher

7, Kurchatov Str., 220045, Minsk

kamyshana@mail.ruЖуковаМ. Н.ZhukovaM. N.

Жукова Мария Николаевна – мл. науч. сотрудник

ул. Курчатова, 7, 220045, Минск

Zhukova Maria N. – Junior Researcher

7, Kurchatov Str., 220045, Minsk

maryliss.lab@gmail.comБелорусский государственный университетBelarusian State UniversityИнститут прикладных физических проблем имени А. Н. Севченко Белорусского государственного университетаA. N. Sevchenko Institute of Applied Physical Problems202506052025692109116Copyright © Пархоменко И.Н., Власукова Л.А., Зайков В.А., Комаров Ф.Ф., Камышан А.С., Жукова М.Н., 20252025Пархоменко И.Н., Власукова Л.А., Зайков В.А., Комаров Ф.Ф., Камышан А.С., Жукова М.Н.Parkhomenko I.N., Vlasukova L.A., Zaikov V.A., Komarov F.F., Kamyshan A.S., Zhukova M.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://doklady.belnauka.by/jour/article/view/1242

Изучено изменение спектров диффузного отражения наноструктурированных покрытий TiAlN/Cu после термоциклирования в условиях, эквивалентных 16 часам нахождения на околоземной космической орбите. Тонкопленочные покрытия TiAlN с добавлением 7–8 % меди и различными соотношениями Ti/Al в металлической компоненте и между металлической и неметаллической компонентами твердого раствора сформированы методом реактивного магнетронного распыления. Показано, что отражение в спектральной области 500–2500 нм для образцов с бόльшей концентрацией титана заметно выше и увеличивается после термической нагрузки, тогда как для образца с меньшим содержанием титана отражение не изменяется. Из спектров отражения рассчитаны коэффициент солнечного поглощения αs и излучательная способность ε, а также отношение αs / ε. Для образцов с преобладанием металлической компоненты ((Ti + Al) / (N + C) = 1,3) и соотношением Ti / Al = 0,95 это отношение не изменялось после термоциклирования и составляло 1,44. Для образцов с повышенным содержанием титана (Ti / Al = 2,34) и эквимолярным соотношением металлической и неметаллической компонент значение αs / ε до термоциклирования составляло 3,82 и снижалось до 3,65 после термической нагрузки. Рассчитаны также ширина запрещенной зоны и ее изменение после термоциклирования для обоих типов покрытий. На основе данных оптической спектроскопии обсуждаются физические процессы, происходящие в композитах TiAlN/Cu при термоциклировании.

The change in the diffuse reflectance spectra of nanostructured TiAlN/Cu coatings after thermal cycling under conditions equivalent to 16 hours in near-earth space orbit has been studied. Thin-film TiAlN coatings with the addition of 7–8 % copper and with various Ti / Al ratios in the metallic component as well as between the metallic and non-metallic components of the solid solution were formed by reactive magnetron sputtering. It has been shown that the reflection in the spectral range of 500–2500 nm for samples with a higher titanium concentration is noticeably higher and increases after thermal loading, while for a sample with a lower titanium content, the reflection does not change. The solar absorption coefficient αs and the thermal emittance ε, as well as the αs / ε ratio, were calculated from the reflectance spectra. For samples with a predominant metallic component ((Ti + Al) / (N + C) = 1.3) and the Ti / Al ratio of 0.95, this ratio did not change after thermal cycling and amounted to 1.44. For samples with an increased titanium content (Ti / Al = 2.34) and an equimolar ratio of metallic and non-metallic components, the αs / ε value before thermal cycling was 3.82 and decreased to 3.65 after thermal loading. The band gap width and its change after thermal cycling were also calculated for both types of coatings. The physical processes occurring in TiAlN/Cu composites during thermal cycling are discussed based on optical spectroscopy data.

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