The influence of dissolved nitrogen on hydrogen diffusion in niobium studied by neutron spectroscopy
- 1 April 1976
- journal article
- Published by IOP Publishing in Journal of Physics F: Metal Physics
- Vol. 6 (4), L93-L97
- https://doi.org/10.1088/0305-4608/6/4/002
Abstract
Hydrogen diffusion was studied by quasielastic neutron scattering in the system alpha -NbH0.004 with 0.7 at.% nitrogen impurities, for temperatures between 180 and 373K. From comparing the spectra at small and at large scattering vectors, the trapping of the hydrogen in the vicinity of a dissolved nitrogen atom was studied. Typical trapping times are several hundred times larger than the mean rest time of a hydrogen atom on an undisturbed interstitial site.Keywords
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