Cathodoluminescence characterization analysis and growth of ZnTe:Cu under Microgravity
Received:June 08, 2017  Revised:August 16, 2017  download
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Author NameAffiliationE-mail
WANG Reng a Key Laboratory of Infrared Imaging Materials and Detectors,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Shanghai,China,200083 tiaoqi1980@163.com 
LU Ye a Key Laboratory of Infrared Imaging Materials and Detectors,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Shanghai,China,200083  
JIAO Cui-Ling a Key Laboratory of Infrared Imaging Materials and Detectors,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Shanghai,China,200083  
LI Xiang-Yang a Key Laboratory of Infrared Imaging Materials and Detectors,Shanghai Institute of Technical Physics,Chinese Academy of Sciences,Shanghai,China,200083  
Abstract:ZnTe:Cu crystals were successfully prepared on TG-II spacecraft by Te solvent Method. The quality of crystal growing in the microgravity is much better than those growing on the ground at the same experiment conditions. The size of crystals prepared on TG-II is larger than those prepared on the ground. Cathodoluminescence was used to measure ZnTe:Cu crystals at 5 kV、15 kV、25 kV voltages. CL mapping and spectra were conducted at different voltages. It was found the crystals growing in microgravity possess lower density of defects.
keywords:Microgravity  ZnTe:Cu crystal  Cathodoluminescence
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