Abstract
High-purity CdTe single crystals with near stoichiometry and many Cd vacancies were grown using a sublimation method under controlled partial pressure of cadmium or tellurium, respectively. The very strong peaks of exciton emission for the former and a broad emission band for the latter are observed by photoluminescence at 10K. The broad emission band is considered to arise from the formation of V Cd complexes.
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