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On the morphological instability of the growing crystals (IV). The effect of supersaturation inhomogeneity upon the morphological stability of KDP single crystals
Author(s) -
Staynova M.,
Nanev Chr.
Publication year - 1989
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170241002
Subject(s) - supersaturation , diffusion , crystal (programming language) , crystallography , aqueous solution , enhanced data rates for gsm evolution , instability , materials science , chemistry , thermodynamics , physics , organic chemistry , computer science , programming language , telecommunications , mechanics
The diffusion‐induced inhomogeneity in the supersaturation on close packed faces of KDP crystals, growing from aqueous solutions has been investigated. The interferometrically found values of the concentration difference on the crystal edge and in the centre of the most closely packed face {100} were compared with the theoretically expected concentration nonhomogeneities calculated by means of C HERNOV 's formula. The comparison has been performed especially for the moment when the KDP crystals lose the stability of their polyhedral shape and gradually acquire a skeletal form. A fairly good coincidence was found.