Effect of CdCl2 treatment on physical properties of CdTe films with different compositions fabricated by chemical molecular beam deposition
T.M. RazykovPhysical-Technical Institute, Scientific Association “Physics-Sun”, Uzbekistan Academy of Sciences, Tashkent, UzbekistanNowshad AminB. A. ErgashevPhysical-Technical Institute, Scientific Association “Physics-Sun”, Uzbekistan Academy of Sciences, Tashkent, UzbekistanChris FerekidesUniversity of South Florida, South Florida, USAD. Yogi GoswamiUniversity of South Florida, South Florida, USAM. K. HakkulovPhysical-Technical Institute, Scientific Association “Physics-Sun”, Uzbekistan Academy of Sciences, Tashkent, UzbekistanK.M. KouchkarovPhysical-Technical Institute, Scientific Association “Physics-Sun”, Uzbekistan Academy of Sciences, Tashkent, UzbekistanKamaruzzaman SopianM.Y. SulaimanM.A. AlghoulH. S. Ullal
ABI
Аннотация
CdTe films with different compositions (Cd-rich, Te-rich and stoichiometric) were fabricated by revolutionary novel and low cost chemical molecular beam deposition (CMBD) method in the atmospheric pressure hydrogen flow. Cd and Te granules were used as precursors. The films were deposited on ceramic (SiO2: Al2O3) substrates at 600°C. The growth rate was varied in the range of 20–30 Å/s. The composition of the samples was changed by controlling the molecular beam intensity (MBI) ratio Cd/Te. Effect of CdCl2 treatment on morphology, photoluminescence and electrical properties of CdTe films was investigated by AFM, Raman, photoluminescence (PL) and Hall methods.
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