Optical Characteristics of Zinc Oxide Films on Glass Substrates

An algorithm is developed for solving the inverse problem of multiangular spectrophotometry of a layer on a planeparallel substrate of fi nite thickness using s- and p-polarized waves. It allows the dispersive properties of the layer and substrate to be studied both far from and in the vicinity of t...

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Bibliographic Details
Published in:Journal of applied spectroscopy 2018-09, Vol.85 (4), p.710-716
Main Authors: Staskov, N. I., Sotsky, A. B., Sotskaya, L. I., Filippov, V. V., Shulicky, B. G., Kashko, I. A.
Format: Article
Language:English
Subjects:
Absorption spectra
ABSORPTION SPECTROSCOPY
ALGORITHMS
Analytical Chemistry
APPROXIMATIONS
Atomic/Molecular Structure and Spectra
Dependence
DOPED MATERIALS
Glass substrates
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
Inverse problems
LAYERS
Optical properties
Oxide coatings
Physics
Physics and Astronomy
REFRACTIVE INDEX
Refractivity
Spectrophotometry
THICKNESS
Zinc oxide
ZINC OXIDES
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Summary:An algorithm is developed for solving the inverse problem of multiangular spectrophotometry of a layer on a planeparallel substrate of fi nite thickness using s- and p-polarized waves. It allows the dispersive properties of the layer and substrate to be studied both far from and in the vicinity of the resonant wavelengths. The dispersive properties of layers of pure and Al-doped ZnO on glass substrates are investigated using it. It is shown that doping shifts the absorption band maximum to shorter wavelength and decreases the refractive index of the material. The applicability limits of known approximate expressions for determining the spectral dependence of the absorption coeffi cient of a layer from spectrophotometric data are estimated.
ISSN:0021-9037
1573-8647
DOI:10.1007/s10812-018-0709-2