Crystals 2018, 8(1), 26; doi:10.3390/cryst8010026
Observations on Nanoscale Te Precipitates in CdZnTe Crystals Grown by the Traveling Heater Method Using High Resolution Transmission Electron Microscopy
Boru Zhou 1,2,*
, Wanqi Jie 1,2, Tao Wang 1,2
, Zongde Kou 1, Dou Zhao 1,2, Liying Yin 1,2, Fan Yang 1,2, Shouzhi Xi 1,2, Gangqiang Zha 1,2 and Ziang Yin 1,2
, Zongde Kou 1, Dou Zhao 1,2, Liying Yin 1,2, Fan Yang 1,2, Shouzhi Xi 1,2, Gangqiang Zha 1,2 and Ziang Yin 1,21
State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China
2
Key Laboratory of Radiation Detection Materials and Devices, Ministry of Industry and Information Technology, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China
*
Author to whom correspondence should be addressed.
Received: 20 December 2017 / Revised: 3 January 2018 / Accepted: 8 January 2018 / Published: 10 January 2018
(This article belongs to the Special Issue Crystal Chemistry of Zinc, Cadmium and Mercury)
Abstract
Te precipitates in CdZnTe (CZT) crystals grown by the traveling heater method (THM) are investigated using high-resolution transmission electron microscopy (HRTEM). The results show that in THM-grown CZT crystals, Te precipitates are less than 10 nm in size—much smaller than those in Bridgman-grown CZT. They have hexagonal structure and form a coherent interface with zinc blend structure CZT matrix in the orientation relationshipKeywords:
transmission electron microscopy (TEM); traveling heater method; precipitation; interface structure; defects in semiconductors; CdZnTe
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Zhou, B.; Jie, W.; Wang, T.; Kou, Z.; Zhao, D.; Yin, L.; Yang, F.; Xi, S.; Zha, G.; Yin, Z. Observations on Nanoscale Te Precipitates in CdZnTe Crystals Grown by the Traveling Heater Method Using High Resolution Transmission Electron Microscopy. Crystals 2018, 8, 26.
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