Composition dependence of structural and optical properties of Cd1−xZnxTe thick films obtained by the close-spaced sublimation

Kosiak, Volodymyr Volodymyrovych; Znamenshchykov, Yaroslav Volodymyrovych; Čerškus, А.; Gnatenko, Yu.P.; Grase, L.; Vecstaudza, J.; Medvids, A.; Opanasiuk, Anatolii Serhiiovych; Mezinskis, G.

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Title	Composition dependence of structural and optical properties of Cd1−xZnxTe thick films obtained by the close-spaced sublimation
Authors	Kosiak, Volodymyr Volodymyrovych Znamenshchykov, Yaroslav Volodymyrovych Čerškus, А. Gnatenko, Yu.P. Grase, L. Vecstaudza, J. Medvids, A. Opanasiuk, Anatolii Serhiiovych Mezinskis, G.
ORCID	http://orcid.org/0000-0002-6866-0414 http://orcid.org/0000-0002-1888-3935
Keywords	Кристалічна структура Кристаллическая структура Crystal structure Потрійні напівпровідникові сполуки Тройные полупроводниковые структуры Semiconducting ternary compounds Дефекти кристалічної гратки Дефекты кристаллической решетки Lattice defects
Type	Article
Date of Issue	2016
URI	http://essuir.sumdu.edu.ua/handle/123456789/46175
Publisher	Journal of Alloys and Compounds
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Citation	Composition dependence of structural and optical properties of Cd1−xZnxTe thick films obtained by the close-spaced sublimation [Text] / V.V. Kosiak, Ya.V. Znamenshchykov, А. Čerškus [et al.] // Journal of Alloys and Compounds. - 2016. - No. 682. - P. 543–551.
Abstract	This paper reports the results of structural, photoluminescence and Raman characterization of thick Cd1−xZnxTe films with different zinc concentration obtained by the close spaced vacuum sublimation method. The analysis of the X-rays patterns allows us to determine the effect of the zinc concentration on crystal quality of the films. It was found that samples with x ≈ 0.10 and x ≈ 0.32 have high crystal quality. However, with increasing of zinc concentration the crystal quality decreases. This result was confirmed by the photoluminescence study. Namely, the significant degradation of optical properties for the samples with high zinc concentration (x > 0.32) was observed. Raman spectroscopy reveals the relation between zinc concentration and vibrational properties of the films. Also, the micro-Raman method shows that obtained films are uniform and free of tellurium inclusions.
Appears in Collections:	Наукові видання (ЕлІТ)