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"Preparation of SnO2 thin films by doping with F-1 ions using chemical spray pyrolysis" | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 20, Issue 4, 2015, Pages 107-113 | ||
| Author | ||
| Abdulsamee Fawzi Abdul Aziz Albayati | ||
| Abstract | ||
| In this paper, the structural and optical properties of pure Tin Oxide and doped by Fluorine (F). Thin films were studied prepared by chemical spray pyrolysis on glass substrates at temperature 400oC. The nature of crystallization of the compounds was examined by using X-Ray diffraction technique which showed that the prepared thin films are polycrystalline structure, and the doping processes didn,t show any obvious differences on the crystalline structure of (SnO2). The DC conductivity measurements of the samples were performed by means of a two probe method. The activation energies were computed from the plots of σdc versus 1000/T. To obtain the optical parameters, the absorption and transmittance spectra were recorded in the wave length range 300-1100 nm, the energy gap of the direct and indirect allowed transition were calculated. The optical parameters such as absorption coefficient (α), refractive index (n), extinction coefficient (Ko), dielectric constant (ε'), and dielectric loss (tanδ), were also investigated. | ||
| Keywords | ||
| F thin film; chemical spray pyrolysis; XRD analysis; Optical Properties | ||
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