GROWTH OF RUBY CRYSTALS FROM SOLUTION.
Semiannual technical summary rept. no. 4, 18 Aug-31 Dec 63,
BATTELLE MEMORIAL INST COLUMBUS OH
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Experimental work was concerned entirely with the growth of ruby crystals from solution in fused lithium fluoride-aluminum fluoride, employing the thermal-gradient method. The feasibility of growing crystals in the solvent was previously demonstrated Third Semiannual Technical Summary Report, June 30, 1963 hence, in this period primary emphasis was placed on the growth of larger crystals of a size and prefection suitable for use in optical masers. In seeking to obtain the necessary control over the crystal-growth process, important variables such as temperature, temperature gradients, solvent composition, solute concentration, degree of agitation of the solution, and system geometry were investigated. Author