PHOTOFRAGMENTATION OF MOLECULAR-OXYGEN ON SI(111)7X7

被引：0
|
作者：
PHILIPPE, L
COMTET, G
DUJARDIN, G
HELLNER, L
HIRAYAMA, T
ROSE, M
RAMAGE, MJB
机构：
[1] UNIV PARIS 11,CNRS,PHOTOPHYS MOLEC LAB,F-91405 ORSAY,FRANCE
[2] GAKUSHUIN UNIV,DEPT PHYS,TOSHIMA KU,TOKYO 171,JAPAN
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1995年 / 101卷 / 1-2期
关键词：
D O I：
10.1016/0168-583X(95)00288-X
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Photofragmentation of molecular oxygen chemisorbed at room temperature on Si(111)7 x 7 is studied by monitoring the O+ photodesorption in the 95-120 eV excitation energy range. By combining photoemission and photodesorption experiments, O+ desorbed ions are demonstrated to be issued from a specific adsorption site of O-2 on Si(111)7 x 7. Furthermore the photofragmentation is shown to be resonant at 108 eV due to O-2/Si(2p-->3 sigma(u)) electronic excitation.
引用
收藏
页码：216 / 218
页数：3
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