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1 2014

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Optical and Dispersion parameters of ZnS Thin Films Prepared by Flash Evaporation Method

Bakr N. A., Jandow N. N., Habubi N. F.

International Letters of Chemistry, Physics and Astronomy

2014

Vol. 20, iss. 1

52--63

Zns thin films are obtained by flash evaporation method onto preheated glass substrates. The transmittance analysis allowed the determination of refractive index and thickness using envelope method. It was found that the refractive dispersion data obeyed the single oscillator model. The calculated value of the refractive index (n0 ) was found to be equal to 2.27, which is in a good agreement with the value obtained from Cauchy’s fitting. Also the value of the optical energy gap, extinction coefficient, real and imaginary parts of the dielectric constant and optical conductivity have been measured.