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Proceedings Paper

Photodissociation of single-adsorbed molecules of cesium halogenides
Author(s): Eleonora Ya. Zandberg; M. V. Knat'ko; V. I. Paleev; Michael M. Sushchikh
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Paper Abstract

A highly sensitive method for the detection of photodissociation (PD) of absorbed molecules has been developed using the surface ionization process. Spectral, temperature, and polarization dependences of the PD yield were measured in the quantum energy range of 0.6 < hv < 4eV and PD cross-sections were evaluated for single CsCl, CsBr, and CsI molecules on the surface of a graphite monolayer on iridium. The PD process, due to photoexcitation of absorbate molecules, was found to be of a one-quantum nature. The dissociation energy of single-absorbed molecules, as well as their orientation on the surface, were determined.

Paper Details

Date Published: 1 December 1991
PDF: 11 pages
Proc. SPIE 1440, Optical Radiation Interaction with Matter, (1 December 1991); doi: 10.1117/12.48161
Show Author Affiliations
Eleonora Ya. Zandberg, A.F. Ioffe Physico-Technical Institute (Russia)
M. V. Knat'ko, A.F. Ioffe Physico-Technical Institute (Russia)
V. I. Paleev, A.F. Ioffe Physico-Technical Institute (Russia)
Michael M. Sushchikh, A.F. Ioffe Physico-Technical Institute (Russia)

Published in SPIE Proceedings Vol. 1440:
Optical Radiation Interaction with Matter

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