The research of CdZnTe (111)B surface with synchrotron radiation photoemission spectroscopy

被引：2
|
作者：
Zha, Gangqiang [1 ]
Jie, Wanqi [1 ]
Tan, Tingting [1 ]
Bai, XuXu [1 ]
Fu, Li [1 ]
Zhang, Wenhua [2 ]
Xu, Faqiang [2 ]
机构：
[1] NW 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：
JOURNAL OF MATERIALS RESEARCH | 2009年 / 24卷 / 05期
关键词：
SCANNING-TUNNELING-MICROSCOPY; X-RAY; ATOMIC-STRUCTURE; DIFFRACTION; CDTE;
D O I：
10.1557/JMR.2009.0201
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The clean and ordered surfaces of CdZnTe (111)B grown by the Bridgman method were obtained by Ar ion bombardment and thermal annealing in situ in an ultrahigh vacuum. The surface atomic structures of CdZnTe (111)B after annealing at different temperature were observed by low-energy electron diffraction (LEED). The valence band and work function of CdZnTe (I I I)B surfaces were determined by synchrotron radiation photoemission spectroscopy. The order of CdZnTe (111)B after annealing at 350 degrees C will worsen, and the (111)B-(2 x 2) local reconstruction will be formed. The work function of CdZnTe (111)B after annealing at 350 degrees C is 0.8 eV higher than that of CdZnTe (111)B-(1 x 1), and the local reconstruction may be induced by Te adatoms on top of the ideal truncation.
引用
收藏
页码：1639 / 1641
页数：3
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