Abstract

Zinc cadmium thiocyanate (ZnCd(SCN) 4, ZCTC) crystal is a promising nonlinear optical material as the source of blue–violet light by laser diode frequency-doubling. A series of experiments on the growth of ZCTC crystal are reported in this paper. A larger single crystal, with size 7×7×13 mm 3, was successfully obtained from the NH 4Cl–NH 4SCN–H 2O mixed solvent by using the solvent-evaporation method. The problems in the growth of ZCTC single crystal are discussed and the key to growing large and transparent single ZCTC crystals is proposed.

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