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D/sub 2/O product angular and translational energy distributions from the oxidation of deuterium on Pt(111)

Journal Article · · J. Chem. Phys.; (United States)
OSTI ID:6239257
; ; ;
The angular and translational energy distributions of D/sub 2/O produced from the oxidation of deuterium on the (111) crystal face of platinum have been measured over the surface temperature range of 440--913 K. Although the angular distributions are described by a cosine function, the translational energy distributions deviate from the corresponding Maxwell--Boltzmann distributions. At the normal angle, the D/sub 2/O mean translational energy /2k varies from 220 to 400 K over the temperature range investigated. Two mechanisms for the production of translationally cold product molecules are discussed.
Research Organization:
Materials and Molecular Research Division, Lawrence Berkeley Laboratory
OSTI ID:
6239257
Journal Information:
J. Chem. Phys.; (United States), Journal Name: J. Chem. Phys.; (United States) Vol. 78:11; ISSN JCPSA
Country of Publication:
United States
Language:
English

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Related Subjects

640301* -- Atomic
Molecular & Chemical Physics-- Beams & their Reactions
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BEAMS
CHEMICAL REACTIONS
COLLISIONS
DEUTERIUM
ELEMENTS
ENERGY SPECTRA
HEAVY WATER
HIGH TEMPERATURE
HYDROGEN COMPOUNDS
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
METALS
MOLECULAR BEAMS
MOLECULE COLLISIONS
NONMETALS
NUCLEI
ODD-ODD NUCLEI
OXIDATION
OXYGEN
OXYGEN COMPOUNDS
PLATINUM
PLATINUM METALS
SPECTRA
STABLE ISOTOPES
SURFACES
TRANSITION ELEMENTS
WATER