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Infrared Laser Photodesorption of Adsorbed Phases

Published online by Cambridge University Press:  21 February 2011

Ingo Hussla  and
T. J. Chuang
Ingo Hussla
Affiliation:
IBM Research Laboratory K33–281, San Jose, CA 95193.
T. J. Chuang
Affiliation:
IBM Research Laboratory K33–281, San Jose, CA 95193.
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Abstract

An infrared laser generated from a Nd:YAG laser mixing with a dye laser has been used as a tunable coherent pulsed laser source to photodesorb ammonia from a Cu(100) surface after excitation of the ν3 mode. Timeresolved quadrupole mass spectrometry is sucessfully applied to determine the translational temperatures of the desorbing species from a monolayer coverage on the metal surface. Evidence for desorption induced by vibrational excitation has been obtained and the results are discussed in terms of rapid energy transfer mechanisms.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 29: Symposium I – Laser-Controlled Chemical Processing of Surfaces , 1983 , 341
Copyright
Copyright © Materials Research Society 1984

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References

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