Abstract
The growth kinetics of the (001) and (110) faces of K2Co(SO4)2 · 6H2O and K2Ni(SO4)2 · 6H2O crystals in the kinetic mode has been in situ investigated for the first time by laser interferometry. The method used makes it possible to measure the slope p of the growing vicinal hillock and the normal growth rate R. The average step velocity ν = R/p as a function of supersaturation σ has been calculated based on these data. The kinetic coefficients of steps are determined. Some conclusions on the optimal growth conditions for crystals are drawn.
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Original Russian Text © V.V. Grebenev, S.I. Kovalyov, A.E. Voloshin, V.L. Manomenova, E.B. Rudneva, D.A. Vorontsov, N.A. Vasilyeva, V.M. Masalov, A.A. Zhokhov, G.A. Emelchenko, 2017, published in Kristallografiya, 2017, Vol. 62, No. 6, pp. 994–1003.
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Grebenev, V.V., Kovalyov, S.I., Voloshin, A.E. et al. Interferometric study of the growth kinetics of K2Co(SO4)2 · 6H2O and K2Ni(SO4)2 · 6H2O crystals. Crystallogr. Rep. 62, 983–992 (2017). https://doi.org/10.1134/S106377451706013X
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DOI: https://doi.org/10.1134/S106377451706013X