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Dynamics of gas-surface interactions. Temperature dependence of the translational relaxation of polyatomic gases on silica and platinum

Amorebieta, V. T. and Colussi, A. J. (1986) Dynamics of gas-surface interactions. Temperature dependence of the translational relaxation of polyatomic gases on silica and platinum. Journal of Physical Chemistry, 90 (7). pp. 1225-1228. ISSN 0022-3654 . https://resolver.caltech.edu/CaltechAUTHORS:20150623-154810824

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Abstract

Single-collision translational energy excitation of n-butane, 1 -chlorobutane, and n-octane on hot silica and platinum surfaces at T_s has been studied by modulated beam mass spectrometry in the range T_s = 350-750 K. The linear decline of the derived translational accommodation coefficient with T_s contrasts with previous results on vibrational relaxation for the same systems and is taken as evidence of (1) the inverse dependence of nonactivated sticking on incident kinetic energy via detailed balance and (2) the weak coupling of translational and vibrational modes in gas-surface collisions.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/j100398a004DOIArticle
http://pubs.acs.org/doi/abs/10.1021/j100398a004PublisherArticle
ORCID:
AuthorORCID
Colussi, A. J.0000-0002-3400-4101
Additional Information:© 1986 American Chemical Society. (Received: December 26, 1985) This work was supported by CIC and CONICET of Argentina.
Funders:
Funding AgencyGrant Number
Comision de Investigaciones Cientificas de la Provincia de Buenos AiresUNSPECIFIED
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)UNSPECIFIED
Issue or Number:7
Record Number:CaltechAUTHORS:20150623-154810824
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150623-154810824
Official Citation:Dynamics of gas-surface interactions. Temperature dependence of the translational relaxation of polyatomic gases on silica and platinum V. T. Amorebieta and A. J. Colussi The Journal of Physical Chemistry 1986 90 (7), 1225-1228 DOI: 10.1021/j100398a004
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58532
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:24 Jun 2015 22:16
Last Modified:03 Oct 2019 08:37

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