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Title Determination of fundamental optical constant of Zn2SnO4 films
Authors Salohub, Anna Oleksandrivna
Возний, Андрій Андрійович
Voznyi, Andrii Andriiovych
Klymov, Oleksii Volodymyrovych
Safryuk, N.V.
Kurbatov, Denys Ihorovych  
Opanasiuk, Anatolii Serhiiovych  
ORCID http://orcid.org/0000-0002-2754-6367
http://orcid.org/0000-0002-1888-3935
Keywords тонкі плівки
тонкие пленки
thin film
оптичні властивості
оптические значения
optical properties
Type Article
Date of Issue 2017
URI http://essuir.sumdu.edu.ua/handle/123456789/65909
Publisher V. Lashkaryov Institute of Semiconductor Physics, National Academy of Sciences of Ukraine
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Citation Determination of fundamental optical constant of Zn2SnO4 films [Text] / A.O. Salohub, A.A. Voznyi, O.V. Klymov [et al.] // Semiconductor Physics, Quantum Electronics & Optoelectronics. - 2017. - Vol. 20, № 1. P. 79-84. - doi: https://doi.org/10.15407/spqeo20.01.079.
Abstract Examined in this paper have been optical properties of polycrystalline films Zn2SnO4 deposited using the spray pyrolysis method within the range of substrate temperatures 250 °C to 450 °C in increments of 50 °C. The spectral dependences have been found for the following physical quantities: k(λ), n(λ), ε1(λ), ε2(λ) and defined as they change under the influence of substrate temperature Тs. Moreover, using the model by Wemple–DiDomenico it was calculated the dispersion energy Ео and Ed for this oxide. Two independent methods defined band gaps Zn2SnO4, which decreases from 4.21…4.22 eV down to 4.04…4.05 eV with increasing Тs from 250 °C up to 450 °C.
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