Sodium Diffusion in High-Silica Glass
Isotope effect and electrical conductivity measurements were used to investigate the mechanism of Na+ diffusion in high-SiO2 glass. A Haven ratio near unity and comparatively high isotope effect values suggest a quasi-interstitial mechanism for Na+ diffusion. At low Na+ concentration the Na+−Na+ separation distance is so large that the Na+ jumps become uncorrelated.
C. Lim and D. E. Day, "Sodium Diffusion in High-Silica Glass," Journal of the American Ceramic Society, vol. 61, no. 7-8, pp. 329-332, Wiley-Blackwell, Jul 1978.
The definitive version is available at http://dx.doi.org/10.1111/j.1151-2916.1978.tb09321.x
Materials Science and Engineering
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© 1978 Wiley-Blackwell, All rights reserved.