FIELD: crystal growing. SUBSTANCE: lead tungstate monocrystal is prepared on seed oriented at angle 10 deg to crystallographic "a" axis under conditions suppressing oxidation of crystal-forming ions and alteration of melt stoichiometry and favoring alloying with lanthanum, yttrium, and niobium oxides in amounts of 0.001 to 0.1 wt.%. EFFECT: improved consumer's properties: radiation resistance, optical uniformity, light yield of scintillations, and mechanical strength. 3 tbl
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