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Proceedings Paper

Catalytic effect of the impurities on growth of KAP and KDP crystals
Author(s): V. A. Kuznetsov; T. M. Okhrimenko; Miroslawa Rak
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Paper Abstract

New experimental results concerning the influence of impurities on growth kinetics of KAP and KDP crystals are presented. The above crystals were chosen for these studies because apart from being useful technologically, they are very different one from another in structure and chemical nature. The organic impurities which were used in our experiments differ by chemical class causing different mechanisms of their influence on crystallization. In almost all experiments, however, the increase in crystal growth rate was observed for very low additives concentration, while an analogous decrease was observed for greater impurity concentrations. We call such an effect of increase in the growth rate: catalytic effect, and it was observed for 'tailor-made' additives too. The results are interpreted theoretically in terms of reduction in the edge free energy caused by additive adsorption at the step edge.

Paper Details

Date Published: 14 July 1997
PDF: 8 pages
Proc. SPIE 3178, Solid State Crystals: Growth and Characterization, (14 July 1997); doi: 10.1117/12.280712
Show Author Affiliations
V. A. Kuznetsov, Institute of Crystallography (Russia)
T. M. Okhrimenko, Institute of Crystallography (Russia)
Miroslawa Rak, Technical Univ. of Lodz (Poland)

Published in SPIE Proceedings Vol. 3178:
Solid State Crystals: Growth and Characterization
Jozef Zmija; Andrzej Majchrowski; Jaroslaw Rutkowski; Jerzy Zielinski, Editor(s)

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