TiO2 waveguides thin films prepared by sol-gel method on glass substrates with and without ZnO underlayer

Y. Bouachiba; A. Taabouche; A. Bouabellou; F. Hanini; C. Sedrati; H. Merabti

doi:10.2478/msp-2020-0043

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TiO2 waveguides thin films prepared by sol-gel method on glass substrates with and without ZnO underlayer

Materials Science-Poland

Volume 38 (2020): Issue 3 (September 2020)

By: Y. Bouachiba, A. Taabouche, A. Bouabellou, F. Hanini, C. Sedrati and H. Merabti

Open Access

|Dec 2020

Abstract

TiO₂ thin films have been deposited on glass substrates with and without ZnO underlayer by sol-gel dip coating process. XRD patterns show the formation of anatase phase with the diffraction lines (1 0 1) and (2 0 0) in TiO₂/glass sample. In TiO₂/(ZnO/glass) sample, TiO₂ is composed of anatase phase with the diffraction line (2 0 0) but the diffraction peaks of ZnO wurtzite are also well-defined. The determination of the refractive index and the thickness of the waveguiding layers has been performed by m-lines spectroscopy. The thickness of TiO₂ thin films deduced by Rutheford Backscattering Geometry (RBS) agrees well with that obtained by m-lines spectroscopy. TiO₂/glass sample exhibits one guided TE₀ and TM₀ polarized modes. In TiO₂/(ZnO/glass) sample, only, TE₀ single mode has been excited due to cutoff condition.

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Articles in this issue

DOI: https://doi.org/10.2478/msp-2020-0043 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331

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Language: English

Page range: 381 - 385

Submitted on: Oct 7, 2017

Accepted on: Apr 23, 2019

Published on: Dec 12, 2020

Published by: Wroclaw University of Science and Technology

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

TiO₂,

anatase,

sol-gel,

waveguides,

ZnO/glass

Related subjects:

Materials sciences,

Materials sciences, other,

Nanomaterials,

Functional and smart materials,

Materials characterization and properties

© 2020 Y. Bouachiba, A. Taabouche, A. Bouabellou, F. Hanini, C. Sedrati, H. Merabti, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 38 (2020): Issue 3 (September 2020)