Relative diffusion coefficients of silver in NbS2 and TiS2 host materials
โ Scribed by M.J. Smith; C.A. Vincent
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 516 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0013-4686
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โฆ Synopsis
The relative diffusion coefficients and activation energies for the transport of silver species in A&NbSs (0 -z x -z 0.06) and Ag,TiSz_, (0 < x < 0.1 and y = O-0.2) have been studied with solid-state electrochemical cells. At very low levels of intercalation, the chemical diffusion coefficients decrease rapidly with increasing x. Thereafter the diffusion coefficients rise slowly with intercalation level up to the limit of the investigation. The effects found at low x cannot be explained in terms of the thermodynamic enhancement factor as previously thought, and are considered to be due to crystal edge or surface effects.
๐ SIMILAR VOLUMES
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The chffuslon coefficients of the metastable mtropen atoms N\*(\*D) and N\*(\*P) have been determined in pure nitroggea ~1 an afrer@o\v exwnment From the tune evolution of the metastable densmes the dlffuslon coefficients were found to bc DO = (5 2 2 0.6) x 10" and Do('D) = (6.4 = I) x lol\* atoms 0