Criteria for Diffusion by a Site‐Interchange Mechanism

Dunbar P. Birnie

doi:10.1111/j.1151-2916.1989.tb09727.x

Criteria for Diffusion by a Site‐Interchange Mechanism

Dunbar P. Birnie

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Criteria are established for evaluating whether self‐diffusion in a material may be occurring by a site‐interchange diffusion mechanism. The criteria include comparisons between defect formation and migration energies for the site‐interchange model and a normal vacancy diffsion model. These criteria are applied to some material systems to illustrate their utility. A site‐interchange diffusion mechanism is probably occurring in lithium niobate, but this mechanism is not operative in silicon carbide or in some III‐V compound semiconductors.

Original language	English (US)
Pages (from-to)	1277-1279
Number of pages	3
Journal	Journal of the American Ceramic Society
Volume	72
Issue number	7
DOIs	https://doi.org/10.1111/j.1151-2916.1989.tb09727.x
State	Published - Jul 1989
Externally published	Yes

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

Keywords

diffusion
lithium niobate
modeling
silicon carbide
stoichiometry

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10.1111/j.1151-2916.1989.tb09727.x

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