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The Effect of Substrate Temperature on Optical Constants and Refractive Index Dispersion of DC Sputtered ZnO Thin Films | ||
| Diyala Journal For Pure Science | ||
| Article 1, Volume 12, Issue 4, 2016, Pages 70-81 | ||
| Authors | ||
| Jaafar Sadeq Mohammed; Abbas Ali Abbas; Najiba Abdullah Hasan | ||
| Abstract | ||
| Zinc oxide (ZnO) thin films were prepared by DC- magnetron sputtering technique on glass at different substrates temperature from 350 to 550 oC in 50 oC step. The optical properties of the ZnO films were studied using UV-VIS-NIR spectrometer. The effects of substrate temperature on the absorption coefficient, optical band gap, refractive index, , extinction coefficient, single-oscillator energy, dispersion energy, high- frequency refractive index, high- frequency dielectric constant, moments of the optical spectra , average oscillator strength and average oscillator wavelength of the ZnO thin films were investigated . It was found that, the substrate temperature for these investigated films plays an important rule for changing an optical properties and dispersion parameter results of these films. | ||
| Keywords | ||
| ZnO; Thin films; DC sputtering; Optical Constants; Dispersion parameter | ||
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