Recombination of deuterium atoms on the surface of molten Li–LiD

Autor:	Rion A. Causey, M.J. Baldwin, S. C. Luckhardt, Robert W. Conn, R.P. Doerner
Rok vydání:	2002
Předmět:	Nuclear and High Energy Physics Hydrogen Chemistry Thermal desorption Thermodynamics chemistry.chemical_element Atmospheric temperature range Arrhenius plot Reaction rate constant Nuclear Energy and Engineering Deuterium Chemisorption General Materials Science Lithium Atomic physics
Zdroj:	Journal of Nuclear Materials. 306:15-20
ISSN:	0022-3115
DOI:	10.1016/s0022-3115(02)01232-1
Popis:	Measurements of the rate constant k r describing the surface recombination of deuterium atoms into molecules, were made for various molten mixtures of Li–LiD using a thermal desorption technique. The results are found to follow an Arrhenius relationship in the temperature range 573–873 K and are compared to the prediction of a kinetic model for the release of hydrogen from metals. The data are lower than would be predicted by the model for an atomically clean surface, but lower than predicted recombination rates are ubiquitous with this type of measurement and well known to result from surface contamination, which reduces surface-site availability and gives rise to variations in the surface chemisorption potential.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::0eb95d4084ac6e2d20faa96a65a1b34d https://doi.org/10.1016/s0022-3115(02)01232-1 Zobrazit plný text záznamu Full Text from ScienceDirect