Effect of CdCl2 Treatment on Raman Spectra and Electrical Properties of CdTe Films with Different Compositions Fabricated by CMBD
T.M. RazykovNational Renewable Energy Laboratory, Golden, United StatesNowshad AminNational University of Malaysia, Bangi, MalaysiaB. A. ErgashevUniversiti Sains Malaysia, George Town, MalaysiaChris FerekidesNational University of Malaysia, Bangi, MalaysiaD. Yogi GoswamiAcademy of Sciences Republic of Uzbekistan, Tashkent, UzbekistanM. K. HakkulovAcademy of Sciences Republic of Uzbekistan, Tashkent, UzbekistanK.M. KouchkarovUniversity of South Florida, Tampa, United StatesKamaruzzaman SopianUniversity of South Florida, Tampa, United StatesM.Y. SulaimanAcademy of Sciences Republic of Uzbekistan, Tashkent, UzbekistanAlghoul, M.National University of Malaysia, Bangi, MalaysiaH. S. UllalNational University of Malaysia, Bangi, Malaysia
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 9 – 30 Å / sec. The composition of the samples was changed by controlling the molecular beam intensity (MBI) ratio Cd / Te. Three samples fabricated at MBI ratios Cd / Te = 0.86, 1.0 and 1.1 were investigated by Raman and Hall methods.
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