Abstract
The release of deuterium (D) from solution in tantalum (Ta) was examined. Nuclear reaction analysis was used to measure the concentration of D in solution during isothermal release of the D. The rate-controlling process for D release was molecular recombination at the surface. The release followed second-order kinetics, which shows that the recombination occurs from sites which have a binding energy for the D less than or equal to the energy of solution. Recombination therefore cannot be occurring from the more strongly bound low-coverage chemisorption sites. A model for the release rate which uses no free parameters is described. Experimentally determined recombination coefficients for Ta, Pd, and Fe spanning 18 orders of magnitude are in good agreement with the model.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
