On the Calculation of Self-Diffusion and Impurity Diffusion Coefficients with the Aid of Elastic Constants
β Scribed by G. Neumann
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 425 KB
- Volume
- 137
- Category
- Article
- ISSN
- 0370-1972
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Eow Zener's analysis and any self-consistent elastic Bat. 15, 144 (1967). model of saddle-point deformation has not the internal 2. J. E. WORS~M, M. K. %RLKII?SON and c. G. kb%Z% J.
By inems of 2 moiecul~ dynemic d method the s=lfdXfusion coelficient of gseous systems hzve been c;i!cul~ted at densities below the critic& it has been four,d thei the artrzctive pxt of tie ilXCiZlOICcUls~ potcr+I !lZS 2 EZ2rk&!e ii!fluence on the density dependence of diffution. h:oreowr, sho;t-tim
Now wvaph = -Pwv2h so that (aAG/ap)T = AV and any pressure-variation of AF (through elastic moduli) is irrelevant. A lattice diffusivity increasing with increasing pressure implies a negative activation volume AV. However, it is not certain that the simple effect on lattice diffusion was measured