Abstract
In glass, the CuCl phase starts to form a certain time after the onset of supersaturation. As the temperature is increased, the transient period (stage of formation of critical nuclei) shortens and the growth kinetics of the CuCl phase switches from the first to second stage. The observed pattern of the CuCl phase growth kinetics is fully consistent with the Zel’dovich-Frenkel classical theory of new-phase formation. The delay time is determined by the radius of the critical nucleus (CuCl nanomelt) and the diffusion coefficient of the limiting component, the Cu+ ions. The radius of the critical nucleus is about 1 nm and does not vary within a broad temperature range. The activation energy for the CuCl phase growth process does not change in the transition from the formation of critical nuclei to the first and, subsequently, second stage.
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Translated from Fizika Tverdogo Tela, Vol. 47, No. 11, 2005, pp. 2060–2065.
Original Russian Text Copyright © 2005 by Valov, Leiman.
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Valov, P.M., Leiman, V.I. Formation and growth of CuCl phase nuclei in glass. Phys. Solid State 47, 2148–2153 (2005). https://doi.org/10.1134/1.2131161
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DOI: https://doi.org/10.1134/1.2131161