Optical properties of titanium oxide films obtained by cathodic arc plasma deposition

Structural and optical properties of nanometric titanium oxide(TixOy) films obtained by cathodic arc plasma deposition were investigated. Phase analysis by x-ray diffraction and Fouriertransform infrared spectroscopy showed the presence of anatase, rutile, Ti_2O_3, Ti_4O_7 and amorphous phases. Scan...

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Veröffentlicht in:Plasma science & technology 2017-12, Vol.19 (12), p.111-118
Hauptverfasser: JOKANOVI, Vukoman, OLOVI, Bo ana, TRAJKOVSKA PETKOSKA, Anka, MRAKOVI, Ana, JOKANOVI, Bojan, NENADOVI, Miloš, FERRARA, Manuela, NASOV, Ilija
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container_end_page 118
container_issue 12
container_start_page 111
container_title Plasma science & technology
container_volume 19
creator JOKANOVI, Vukoman
OLOVI, Bo ana
TRAJKOVSKA PETKOSKA, Anka
MRAKOVI, Ana
JOKANOVI, Bojan
NENADOVI, Miloš
FERRARA, Manuela
NASOV, Ilija
description Structural and optical properties of nanometric titanium oxide(TixOy) films obtained by cathodic arc plasma deposition were investigated. Phase analysis by x-ray diffraction and Fouriertransform infrared spectroscopy showed the presence of anatase, rutile, Ti_2O_3, Ti_4O_7 and amorphous phases. Scanning electron microscopy images showed well-developed surface morphology with nano-patterns. Spectroscopic ellipsometry revealed film thicknesses of 53 and50 nm, variable refractive indices dependent on the light wavelength and close to zero extinction coefficients for wavelengths higher than 500 nm. On the basis of ultraviolet–visible spectroscopy data and using the Tauc equation, band gap values for direct and indirect electron transitions were determined.
doi_str_mv 10.1088/2058-6272/aa8806
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optical materials
plasma deposition
thin films
title Optical properties of titanium oxide films obtained by cathodic arc plasma deposition
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