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A Study of the effect of irradiation by laser on some optical properties of CdTe thin films. | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 14, Issue 2, 2009, Pages 282-285 | ||
| Authors | ||
| majeed E. Ibrahim; | ||
| Abstract | ||
| in this research we studied some of the optical properties for CdTe thin film before and after irradiation by ion argon laser for 15 minutes, we calculated forbidden optical energy gap for allowed direct transition, absorption and extinction coefficient as a function to photon energy. We noted that the energy gap decreased because of the irradiation by laser, while absorption and extinction coefficients increased after irradiation. So we note that the energy gap is 1.2 eV, and after radiation it became 1.1 eV. | ||
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