Abstract
The time dependence of the step-displacement fluctuations at the faces of a prism and a bipyramid of potassium dihydrophosphate (KDP) crystals is determined by in situ atomic-force microscopy in the line-by-line scanning mode. It is shown that the build-up of fluctuations follows a t 1/4 law and not a t 1/2 dependence as for a single diffusing particle. Measurements are made during growth and dissolution in the vicinity of the equilibrium position. It is found that the fluctuations at the prism face during dissolution are stronger than those during growth. Voronkov’s theory is used to compute the basic parameters of crystallization and to interpret the obtained results.
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Translated from Fizika Tverdogo Tela, Vol. 42, No. 10, 2000, pp. 1869–1873.
Original Russian Text Copyright © 2000 by Rashkovich, Shustin, Chernevich.
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Rashkovich, L.N., Shustin, O.A. & Chernevich, T.G. Fluctuations of steps at the faces of potassium dihydrophosphate crystals in a solution. Phys. Solid State 42, 1921–1926 (2000). https://doi.org/10.1134/1.1318888
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DOI: https://doi.org/10.1134/1.1318888