On the diffusion and self-trapping of surface dimers
β Scribed by W. Kappus
- Publisher
- Elsevier Science
- Year
- 1982
- Weight
- 249 KB
- Volume
- 115
- Category
- Article
- ISSN
- 0167-2584
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Striations were observed on nickel heated in 'uacuo at 900Β°C. The distribution of striating orientations suggests the presence of point cusps in the plot of surface free energy at (loo), ( 110) and (210) orientations and a line cusp between (410) and (510). Also evidence was found that surface diffu
## 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