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TEM study on defects in epitaxial CdZnTe films deposited on (001)GaAs by close-spaced sublimation

  • Northwestern Polytechnical University Xian

科研成果: 书/报告/会议事项章节会议稿件同行评审

3 引用 (Scopus)

摘要

A transmission electron microscopy (TEM) study on defects in a 30 μm-thick epitaxial CZT film deposited on (001)GaAs via close-spaced sublimation was performed. The epi-layer is of good quality without twins. Dislocations and stacking faults are mainly gathered near the interface. The dislocations are extrinsic either of Lomer edge or 60° type. Pseudo extrinsic stacking faults consisting of two independent and oppositely oriented extrinsic dislocations have. been found both on the (111) and the (111) planes, L-shaped defects originated from the interface have been discovered. The near-interface-side of L is consisted of 3 compressed (111) planes and the lateral side is consisted of 3-4 misarranged (111) planes. This L-shaped defect is induced by the absence of a misfit dislocation at the intersection between L and the interface.

源语言英语
主期刊名Reliability and Materials Issues of III-V and II-VI Semiconductor Optical and Electron Devices and Materials II
85-90
页数6
DOI
出版状态已出版 - 2012
活动2012 MRS Spring Meeting - San Francisco, CA, 美国
期限: 9 4月 201213 4月 2012

出版系列

姓名Materials Research Society Symposium Proceedings
1432
ISSN(印刷版)0272-9172

会议

会议2012 MRS Spring Meeting
国家/地区美国
San Francisco, CA
时期9/04/1213/04/12

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