METHOD OF GROWING LITHIUM-MAGNESIUM MOLYBDATE MONOCRYSTALS

摘要

FIELD: chemistry.;SUBSTANCE: invention relates to the technology of growing lithium-magnesium molybdate Li₂Mg₂(MoO₄)₃ crystals. The method involves melting lithium-magnesium molybdate in a molten solvent, crystallising while cooling the melt and cooling the grown crystals, wherein the solvent used is lithium molybdate Li₂MoO₄ with molar ratio of lithium-magnesium molybdate to lithium molybdate Li₂MoO₄ of 2:3, respectively; crystallisation is carried out on an inoculating crystal revolving at a rate of 35 rpm, oriented on the [010] direction, rate of drawing rate of the inoculating crystal of 1-3 mm/day while simultaneously cooling the melt at a rate of 0.2-5 degrees/day and then separating the grown crystals from the melt and cooling at a rate of 30 degrees/hour.;EFFECT: method enables to obtain optically homogeneous lithium-magnesium molybdate crystals which do not contain inclusions, blocks and cracks.