EXISTENCE OF 2 ADSORBED STATES FOR K ON THE SI(100) (2X1) SURFACE - A THERMAL-DESORPTION STUDY

被引:63
作者
TANAKA, S
TAKAGI, N
MINAMI, N
NISHIJIMA, M
机构
[1] Department of Chemistry, Faculty of Science, Kyoto University
来源
PHYSICAL REVIEW B | 1990年 / 42卷 / 03期
关键词
D O I
10.1103/PhysRevB.42.1868
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Thermal desorption spectroscopy (TDS) was applied to the investigation of the adsorbed state of K on the Si(100)(2×1) surface. Two K desorption peaks were observed and were attributed to the desorption of K atoms from two different chemisorbed states on the Si(100)(2×1) surface. The results strongly suggest that the fractional saturation coverage of K atoms in the chemisorbed state is 1. The coverage dependences of the peak temperatures and shapes of the TDS spectra are discussed. © 1990 The American Physical Society.
引用
收藏
页码:1868 / 1871
页数:4
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