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Fluctuations of Step Positions at KDP Crystal Faces

Published online by Cambridge University Press:  14 March 2011

Leonid N. Rashkovich
Affiliation:
Physics Department, Moscow State University, Moscow, 119899 Russia
Oleg A. Shustin
Affiliation:
Physics Department, Moscow State University, Moscow, 119899 Russia
Tamara G. Chernevich
Affiliation:
Physics Department, Moscow State University, Moscow, 119899 Russia
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Abstract

Applying atomic force microscopy in single string scanning mode, dependence of fluctuations of step shifts on KDP crystal faces on time was determined during crystallization from solution. It was shown that fluctuation amplitude grows proportionally to t1/4. On prism faces fluctuations at dissolving were bigger than at growth and bigger than on bipyramid faces. Amplitude of fluctuations was not dependent on distance between steps. Interpretation of experimental results and computation of elementary parameters of crystallization was done based on theory of V.V.Voronkov.

Type
Research Article
Copyright
Copyright © Materials Research Society 2000

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References

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