SURFACE SPECTROSCOPY FROM ULTRATHIN ALPHA-SN FILMS ON CDTE(110)

被引:14
作者
DITTMARWITUSKI, A [1 ]
MOLLER, PJ [1 ]
机构
[1] ACAD TECHNOL & AGR BYDGOSZCZ,INST MATH & PHYS,BYDGOSZCZ,POLAND
关键词
D O I
10.1016/0039-6028(93)91031-J
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
On the basis of electron-spectroscopy results it has been deduced that alpha-Sn grows on CdTe(110) surfaces at coverages lower than 3 monolayers in layer-by-layer mode, followed by growth of (110)-oriented islands (Stranski-Krastanov mode). During the epitaxial growth an empty interface state due to Sn atoms appeared at 2.3 eV above the Fermi level. Band gaps in the conduction alpha-Sn band were found at 7.4 and 17.6 eV above the vacuum level.
引用
收藏
页码:577 / 583
页数:7
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