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The Effects of Plasma Foucing Shots on Structural and Optical Properties of ZnTe Thin Films |
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PP: 75-80 |
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Author(s) |
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G. El-Kashef,
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Abstract |
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| Zinc telluride (ZnTe) thin film was deposited onto glass substrates in terms of the thermal evaporation technique. The experiments XRD of both powder and thin films of ZnTe showed that the films are polycrystalline and have a zinc blende (cubic) structure. Thin films of the same thickness have been exposed to plasma focusing (PF) with 0, 5, 10 and 15 shots. The structure. It is observed that the increasing in the number of PF shots can reduce crystallize size and increase the microstrain of ZnTe thin film. It is also observed that the the increasing in the number of PF shots can effectively improve the transmission spectra of the samples particularly in medium and transparent regions, therefore the refractive index decrease. It is observed that the increasing number of PF shots causes decreasing in optical band gap. |
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