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On the surface self-diffusion coefficient

✍ Scribed by N.A Gjostein; J.P Hirth


Publisher
Elsevier Science
Year
1965
Weight
936 KB
Volume
13
Category
Article
ISSN
0001-6160

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πŸ“œ SIMILAR VOLUMES


Reply to comment β€œOn the surface self-di
✍ N.A Gjostein; J.P Hirth πŸ“‚ Article πŸ“… 1966 πŸ› Elsevier Science βš– 309 KB

## 899 where AGa is the Gibbs free energy for formation of adsorbed atoms and g a geometrical factor depending on their source (4) Thus within the limitations of the model of surface diffusion by adsorbed atom migration the surface tracer diffusivity is, apart from correlation factors, t,he same a

The density dependence of the self-diffu
✍ N.J. Trappeniers; J.P.J. Michels πŸ“‚ Article πŸ“… 1973 πŸ› Elsevier Science 🌐 English βš– 283 KB

The diffusion coefficient of '%r in natural krypton has been measured as a function of density. T'hc results deviate significantly from the values predicted by the Enskog theory. At low densities. the behaviour can be described by regarding the gas as a monomer-dimer mixture.