H2O-INDUCED QUENCHING OF THE NEGATIVE-ION RESONANCE SCATTERING FOR N2 PHYSISORBED ON AL(111)

被引：22

作者：

JACOBI, K

BERTOLO, M

GENG, P

HANSEN, W

ASTALDI, C

机构：

[1] Fritz-Haber-Institut der Max-Planck-Gesellschaft, D-1000 Berlin 33

来源：

CHEMICAL PHYSICS LETTERS | 1990年 / 173卷 / 01期

关键词：

D O I：

10.1016/0009-2614(90)85310-9

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：

Monolayers of N2 physisorbed on the Al(111) surface at 20 K, were investigated by means of high-resolution electron energy-loss spectroscopy (HREELS) and UV photoelectron spectroscopy (UPS). The N2 stretching vibration at 290 meV is excited by negative-ion resonance scattering. By coadsorption of a 0.16 monolayer of H2O, the N2 stretching mode is strongly suppressed. This is explained as due to a complete quenching of the negative-ion resonance of N2 by the H2O molecules. © 1990.

引用

页码：97 / 102

页数：6

共 26 条

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