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Proceedings Paper

State-selective study of photodesorption at modified metal surfaces
Author(s): Katsuyuki Fukutani; M.-B. Song; Y. Murata
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Paper Abstract

Photon stimulated desorption of NO molecules at modified Pt(111) surfaces are investigated by reflection-absorption infrared spectroscopy (RAIRS) and resonance-enhanced multiphoton ionization (REMPI). The initial adsorption state of NO is probed by RAIRS and the final-state distribution is measured by REMPI. Coadsorption with N, O, and Ge atoms on Pt(111) appreciably influences the initial adsorption state of NO and the final-state distribution of photodesorbed NO. The rotational temperatures are substantially lowered by coadsorption with O and N atoms. Effects of initial geometric and electronic states on the desorption dynamics are discussed.

Paper Details

Date Published: 30 April 1998
PDF: 7 pages
Proc. SPIE 3272, Laser Techniques for Surface Science III, (30 April 1998); doi: 10.1117/12.307132
Show Author Affiliations
Katsuyuki Fukutani, Univ. of Tokyo and PRESTO (Japan)
M.-B. Song, Keio Univ. (Japan)
Y. Murata, Univ. of Electro-communications (Japan)

Published in SPIE Proceedings Vol. 3272:
Laser Techniques for Surface Science III
Hai-Lung Dai; Hans-Joachim Freund, Editor(s)

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