The atomic and electronic structure of CdZnTe (111) A surface

被引：17
|
作者：
Zha, Gangqiang [1 ]
Jie, Wanqi
Tan, Tingting
Li, Peisen
Zhang, Wenhua
Xu, Faqiang
机构：
[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
[2] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2006年 / 427卷 / 1-3期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.cplett.2006.06.042
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The components of CdZnTe (1 11) A and B surface were measured by XPS. The result shows that Te atoms at the A topmost surface are chemically bonded by O atoms, but Te atoms are not at B surface. A new reconstruction structure (root 3- x root 3)R30 degrees is uncovered for CZT (111) A surface through low-energy electron diffraction, and is explained in terms of a surface vacancy model. The surface state is measured by Angle-resolved photoemission spectroscopy, which confirms that there are dangling bonds at the reconstructed CZT (111) A surface. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：197 / 200
页数：4
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