Self-Diffusion in a Lattice via the Interstitialcy Mechanism(Condensed matter: structure and mechanical and thermal properties)
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概要
- 論文の詳細を見る
We study a simple model for the interstitialcy mechanism-one of the main mechanisms of the selfdiffusion in crystalline solids. The diffusion coefficient depends on the interstitialcy concentration as well as the hopping rates of particles. We obtain an approximate expressions of the diffusion coefficient for various kinds of lattices by noting that the dynamics of an interstitialcy is identical with that of a particle in the vacancy assisted mechanism. These expressions are found to be consistent with our Monte Carlo simulation results for all the lattices examined as far as the interstitialcy-concentration is not too high.
- 社団法人日本物理学会の論文
- 2007-02-15
著者
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FUJITANI Youhei
School of Fundamental Science & Technology, Keio University
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Fujitani Youhei
School Of Fundamental Science And Technology Keio University
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Uno Yutaka
School Of Fundamental Science And Technology Keio University
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Okamoto Ryuichi
School Of Fundamental Science And Technology Keio University
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Fujitani Yohei
School of Fundamental Science and Technology, Keio University
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