Correlation between ZnSe Crystal Growth Conditions from Melt and Generation of Large-Angle Grain Boundaries and Twins
- 1 April 1994
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 33 (4R)
- https://doi.org/10.1143/jjap.33.1991
Abstract
A series of ZnSe crystals for fundamental studies were grown by the vertical Bridgman method under 30 atm inert gas antipressure. A critical relationship between growth velocity and axial temperature gradient for the maintenance of a morphologically stable interface of 1.5×10-2cm2h-1K-1was determined. Furthermore, it has been shown that the number of twins is inversely proportional to the number of large-angle grain boundaries. Finally, the tendency of increasing improvement of the crystal quality with increasing superheating of the melt before the growth run was observed.Keywords
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