Correlation of dislocations and Te inclusions in detector-grade CdZnTe crystals grown by MVB method

Yadong Xu, Yihui He, Lingyan Xu, Tao Wang, Gangqiang Zha, Wanqi Jie

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

To evaluate the Te inclusions and induced dislocations, batches of as-grown detector-grade CZT wafers with direction of {111} were selected and observed using IR transmission microscope. Size and concentration of Te inclusions were calculated within the crystals. Simultaneously, the dislocation densities were obtained using field emission scanning electron microscope after surface-etching on CZT {111}B surfaces. Morphology of Te inclusion and the induced dislocations configuration were also revealed by cathodeluminescence microscope. The correlation between dislocations density and Te inclusions positioned in CZT crystals was reported. In addition, the dislocations enrichment depends on the size of Te inclusions was discussed by analyzing the dislocations distribution surrounding Te inclusions.

源语言英语
主期刊名Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIV
DOI
出版状态已出版 - 2012
活动Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIV - San Diego, CA, 美国
期限: 13 8月 201215 8月 2012

出版系列

姓名Proceedings of SPIE - The International Society for Optical Engineering
8507
ISSN(印刷版)0277-786X

会议

会议Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIV
国家/地区美国
San Diego, CA
时期13/08/1215/08/12

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