Date of Award


Document Type

Dissertation - Restricted

Degree Name

Doctor of Philosophy (PhD)


Mechanical Engineering

First Advisor

Robert F. Brebrick

Second Advisor

Walter M. Hirthe

Third Advisor

Martin A. Seitz

Fourth Advisor

Raymond A. Fournelle

Fifth Advisor

Robert N. Blumenthal


The major difficulty in the growth of homogeneous alloy crystals from dilute or stoichiometric melts results from the differences in the equilibrium compositions or the liquid and solid phases, which leads to segregation during solidification and compositional variations in the grown crystals. A knowledge of the solid-liquid phase relation that governs the growth of such alloys from solution is therefore essential. In addition, the solid-vapor and liquid~vapor phase relations are of practical importance in materials preparation, especially in view of the high mercury pressure in the growth process and the effect of vapors of constituent components upon the post-growth annealing and consequently the electronic properties. It is, therefore, the objective of this investigation to measure some of the thermodynamic data of the solid solution Hg1-xCdxTe(s) and to establish a complete thermodynamic analysis and phase diagram calculation for the ternary Hg-Cd-Te system including the solid-liquid-vapor phase relations.



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