Optical properties of zinc titanate perovskite prepared by reactive RF sputtering

In this paper we report results from optical transmittance spectroscopy complemented with data on structure from XRD measurements to determine optical properties of a series of ZnTiO perovskite thin films deposited on glass by reactive magnetron co-sputtering. The members of the series differ by the...

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Veröffentlicht in:Journal of Electrical Engineering 2017-12, Vol.68 (7), p.10-16
Hauptverfasser: Müllerová, Jarmila, Šutta, Pavol, Medlín, Rostislav, Netrvalová, Marie, Novák, Petr
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container_end_page 16
container_issue 7
container_start_page 10
container_title Journal of Electrical Engineering
container_volume 68
creator Müllerová, Jarmila
Šutta, Pavol
Medlín, Rostislav
Netrvalová, Marie
Novák, Petr
description In this paper we report results from optical transmittance spectroscopy complemented with data on structure from XRD measurements to determine optical properties of a series of ZnTiO perovskite thin films deposited on glass by reactive magnetron co-sputtering. The members of the series differ by the titanium content that was revealed as an origin of the changes not only in structure but also in dispersive optical properties. Low porosity has been discovered and calculated using the Bruggeman effective medium approximation. An apparent blue-shift of the optical band gap energies with increasing titanium content was observed. The observed band gap engineering is a good prospective for optoelectronic and photocatalytic applications of ZnTiO
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subjects absorption coefficient
Band gap
effective medium
Effective medium theory
Energy gap
Magnetron sputtering
optical band gap
Optical properties
Optoelectronics
perovskite
Porosity
refractive index
Taucs plot
Thin films
Titanium
voids
title Optical properties of zinc titanate perovskite prepared by reactive RF sputtering
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