Reply to comments on “Self-diffusion and
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H.I. Aaronson; P.G. Shewmon
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Article
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1967
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Elsevier Science
⚖ 278 KB
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