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Studying The Optical Properties of CdO and CdO: Bi Thin Films | ||
| Baghdad Science Journal | ||
| Article 1, Volume 13, Issue 3, 2016, Pages 593-598 | ||
| Authors | ||
| Zain A. Muhammad; Ahmed T. Hassan; Yasmeen Z. Dawood | ||
| Abstract | ||
| Cadmium Oxide and Bi doped Cadmium Oxide thin films are prepared by using the chemical spray pyrolysis technique a glass substrate at a temperature of (400⁰C) with volumetric concentration (2,4)%. The thickness of all prepared films is about (400±20) nm. Transmittance and Absorbance spectra are recorded in the wave length ranged (400-800) nm. The nature of electronic transitions is determined, it is found out that these films have directly allowed transition with an optical energy gap of (2.37( eV for CdO and ) 2.59, 2.62) eV for (2% ,4%) Bi doped CdO respectively. The optical constants have been evaluated before and after doping. | ||
| Keywords | ||
| CdO; Thin films; Optical Properties | ||
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