METHOD FOR PRODUCING BROMINE-ENRICHED THALLIUM BROMIDE SINGLE CRYSTAL

摘要

PROBLEM TO BE SOLVED: To provide a method for producing a bromine-enriched thallium bromide single crystal, the method by which the lattice defects in the single crystal can be reduced. SOLUTION: The method for producing the bromine-enriched thallium bromide single crystal includes a purification steps (step S5 to step S10) for purifying a raw material of thallous bromide, enriching steps (step S14 to step S17)for enriching bromine in the purified thallous bromide, and single crystal forming steps (step S18 to step S20) for forming a single crystal of thallous bromide containing trivalent thallium (e.g., TlBr3). Since bromine is added to thallous bromide in the enriching steps, the bromine-enriched thallous bromide almost free from the lattice defects can be produced. COPYRIGHT: (C)2005,JPO&NCIPI