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Elsevier, Journal of Non-Crystalline Solids, 1-2(296), p. 123-134

DOI: 10.1016/s0022-3093(01)00868-7

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Effect of water incorporation on the diffusion of sodium in an alkaline-earth boroaluminosilicate glass

Journal article published in 2001 by Lei Tian, Rüdiger Dieckmann, Chung-Yuen Hui ORCID, J. Greg Couillard, J. Greg Couillard
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Tracer diffusion coefficients of sodium ions diffusing in an alkaline-earth boroaluminosilicate glass (Corning Code 1737 glass) were measured by using Na-22 as a radioactive tracer. It was found that the presence of a significant amount of water vapor in the atmosphere surrounding a diffusion sample during diffusion annealing reduces considerably the mobility of sodium in the near-surface region of the glass. This partial immobilization of Na is attributed to an interaction between water dissolved into the glass and diffusing sodium ions.