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Optical properties of ${Sr}_{x}$ ${Sr}_{x}$ Ba ${_{1 -}}_{x}$ ${_{1 -}}_{x}$ ${Nb}_{2}$ ${Nb}_{2}$ O₆ nanoscale films ( $x$ $x$ = 0.5 and 0.61) grown by RF-cathode sputtering in an oxygen atmosphere

S. V. Kara-Murza

Lugansk State Pedagogical University, No. 2 Oboronnaya Street, Lugansk 91000, Ukraine

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K. M. Zhidel

Research Institute of Physics, Southern Federal University, No. 194 Stachki Avenue, Rostov-on-Don 344090, Russia

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N. V. Korchikova

Lugansk State Pedagogical University, No. 2 Oboronnaya Street, Lugansk 91000, Ukraine

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Yu. V. Tekhtelev

Lugansk State Pedagogical University, No. 2 Oboronnaya Street, Lugansk 91000, Ukraine

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A. V. Pavlenko

Research Institute of Physics, Southern Federal University, No. 194 Stachki Avenue, Rostov-on-Don 344090, Russia

Federal State Budgetary Institution of Science “Federal Research Centre, The Southern Scientific Centre of the Russian Academy of Sciences”, No. 41 Chekhova Street, Rostov-on-Don 344090, Russia

E-mail Address: antvpr@mail.ru

Corresponding author.

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, and

L. I. Kiseleva

Federal State Budgetary Institution of Science “Federal Research Centre, The Southern Scientific Centre of the Russian Academy of Sciences”, No. 41 Chekhova Street, Rostov-on-Don 344090, Russia

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https://doi.org/10.1142/S2010135X21600146Cited by:4 (Source: Crossref)

This article is part of the issue:

Special Issue on the 2020 International Conference on Physics and Mechanics of New Materials and Their Applications (PHENMA-2020) — Part 1
Guest Editors: Ivan A. Parinov, Shun-Hsyung Chang, Yun-Hae Kim and Nao-Aki Noda

Abstract

The research findings of the phase composition, nanostructure and optical properties of strontium–barium niobate thin films are discussed. ${Sr}_{x}$ ${Sr}_{x}$ Ba ${_{1 -}}_{x}$ ${_{1 -}}_{x}$ Nb₂O₆ nanosized films ( $x$ $x$ = 0.5 and 0.61) were characterized by XRD, SEM and AFM studies. Reflective multi-angle ellipsometry and spectrophotometry were used to determine the optical parameters (refractive index, its dispersion, and thickness of the damaged surface layer) of thin films. It was shown that SBN-50 and SBN-61 thin films were grown $c$ $c$ -oriented on Al₂O₃ (0001) and heteroepitaxial on MgO (001) substrates. The increase of refractive index, approaching its maximum value in the bulk material for a given composition as the film thickness increases, is observed.

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References

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Vol. 11, No. 05

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History

Received 15 April 2021

Revised 8 June 2021

Accepted 15 June 2021

Published: 17 August 2021

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This is an Open Access article published by World Scientific Publishing Company. It is distributed under the terms of the Creative Commons Attribution 4.0 (CC BY) License which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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