A Modified Derivation of the Correlation Factor in Tracer Diffusion via Vacancy Mechanism

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概要

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• The average number of site exchanges made by a particular atom-vacancy pairhas been calculated. It is found that the numbc+r of exchanges is equal to thenumber of visits to the origin of a random walker; for an infinite fcc lattice thenumber of exchanges is about 1.345, including the first exchange. This result seemsinvalidate the assumption of an infinite number of excharxges, which is usuallymade in the derivation of the correlation factor in diffusion via the vacancymechanism. A modified derivation of the correlation factor, which takes intoaccount the number of exchanges explicitly, is presented.

• 社団法人日本物理学会の論文
• 1978-09-15

著者

• Koiwa Masahiro

  Materials Science Branch Atomic Energy Of Canada Limited Chalk River Nuclear Laboratories:the Resear

関連論文

• A Modified Derivation of the Correlation Factor in Tracer Diffusion via Vacancy Mechanism

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