PHOTODESORPTION OF NO FROM PT(001) AT LAMBDA = 193, 248, AND 352-NM

被引：26

作者：

FUKUTANI, K

PEREMANS, A

MASE, K

MURATA, Y

机构：

[1] Institute for Solid State Physics, University of Tokyo, Minato-ku, Tokyo 106

来源：

PHYSICAL REVIEW B | 1993年 / 47卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.47.4007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Desorption of NO molecules chemisorbed on a Pt(001) surface at 80 K induced by ultraviolet laser is investigated by the resonance-enhanced multiphoton-ionization technique. The desorption yield of neutral NO versus pump-laser fluence indicates a single-photon process. The translational, rotational, and vibrational temperatures are approximately 650, 300, and 1200 K, respectively. These values do not significantly differ at lambda = 193, 248, and 352 nm, suggesting that the initial step of photodesorption is a substrate-valence-electron excitation.

引用

页码：4007 / 4010

页数：4

共 37 条

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