Vibrational structure in C 1s photoelectron spectra of ethylene on the Si(100)(2 x 1) surface

被引：10
|
作者：
Yamashita, Y [1 ]
Machida, S [1 ]
Nagao, M [1 ]
Yamamoto, S [1 ]
Mukai, K [1 ]
Yoshinobu, J [1 ]
机构：
[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
来源：
CHEMICAL PHYSICS LETTERS | 2003年 / 374卷 / 5-6期
关键词：
D O I：
10.1016/S0009-2614(03)00732-2
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：
We have investigated the C Is photoelectron spectra of ethylene on the Si(l 0 0)(2 x 1) surface, using high resolution photoelectron spectroscopy. The vibrational structure has been observed in the C Is spectra where the C-H stretching mode is dominant. The vibrational splittings of C Is ionized state are very similar to those in the ground state. It is found that linear coupling model is applicable in this system and this excitation process is a Frank Condon process. The curvature of potential energy surface of C-H and C-D bond is almost unchanged upon core ionization. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：476 / 481
页数：6
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