Abstract
The influence of the heating rate of a solid solution of CuCl in glass on the size distribution of the produced CuCl nanoparticles is studied. The distribution curves of CuCl nanocrystals are determined by the method of exciton-thermal analysis. It is established that the concentration of CuCl nanoparticles increases by ten times upon slowing the sample heating process from 2 to 60 min, while the mean radius of particles decreases almost twice. The concentration of CuCl nanoparticles passes through a maximum in the process of heating the sample. The numerical simulation of the nucleation upon slow heating of a solid solution showed that the formation of the concentration maximum of the new phase clusters is determined by a rapid increase in the critical radius owing to an increase in temperature and decrease in the solution supersaturation. As a result, the formation of new phase nuclei ceases at a certain temperature, and a part of the previously formed clusters dissolves.
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Original Russian Text © V.I. Leiman, A.L. Ashkalunin, O.Yu. Derkacheva, V.M. Maksimov, 2017, published in Fizika Tverdogo Tela, 2017, Vol. 59, No. 9, pp. 1811–1815.
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Leiman, V.I., Ashkalunin, A.L., Derkacheva, O.Y. et al. Nonisothermal nucleation in a solid solution of CuCl in glass: Concentration effect upon heating of the solid solution. Phys. Solid State 59, 1836–1840 (2017). https://doi.org/10.1134/S1063783417090177
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DOI: https://doi.org/10.1134/S1063783417090177