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Journal of Crystal Growth, Vol.420, 101-108, 2015
Transient segregation behavior in Cd1-xZnxTe with low Zn content-A qualitative and quantitative analysis
The paper analyzes experimental compositional profiles in Vertical Bridgman (VB, VGF) grown (Cd,Zn)Te crystals, found in the literature. The origin of the observed axial ZnTe-distribution profiles is attributed to dendritic growth after initial nucleation from supercooled melts. The analysis was done by utilizing a boundary layer model providing a very good approximation of the experimental data Besides the discussion of the qualitative results also a quantitative analysis of the fitted model parameters is presented as far as it is possible by the utilized model. (C) 2015 Elsevier B.V. All rights reserved.
Keywords:Segregation;Solidification;Bridgman technique;Growth from melt;Cadmium compounds;Semiconducting II-VI materials