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Microscopic And Spectroscopic Analysis Of Cadmium Telluride, Jessica Goretty Salazar
Microscopic And Spectroscopic Analysis Of Cadmium Telluride, Jessica Goretty Salazar
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Cadmium telluride (CdTe) remains one of the materials of interest in the fabrication of photovoltaic cells and infrared devices, mainly because of its suitable crystal structure as well as of its small, direct bandgap of 1.5 eV. Since development of such devices requires a high quality and low defect material, the goal of this study is to microscopically and spectroscopically examine not only crystallinity, but also the induced stress in the material due to the effect of substrate orientation. This information is valuable if optimization of sample growth conditions is envisioned. Prior to CdTe deposition by close-spaced sublimation (CSS), Si …