Fe<sub>2</sub>O<sub>3</sub> Thin Films Prepared by Spray Pyrolysis Technique and Study the Annealing on its Optical Properties

  • Abass K
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Abstract

Fe 2 O 3 thin films that doped by NiO were obtained on glass substrates by the chemical spray pyrolysis technique, and annealed at 450 °C and 500 °C. The effect of annealing on optical properties was studied by recording the absorbance spectra using UV-Visible spectrophotometer. The refractive index decreases with increasing annealing temperature, such as an optical band gap that decreases from 2.68 eV before annealing to 2.58 eV after annealing of 500 °C. Absorption coefficient and extinction coefficient increase with increasing annealing temperature.

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Abass, K. H. (2015). Fe2O3 Thin Films Prepared by Spray Pyrolysis Technique and Study the Annealing on its Optical Properties. International Letters of Chemistry, Physics and Astronomy, 45, 24–31. https://doi.org/10.18052/www.scipress.com/ilcpa.45.24

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