FIELD: chemistry.
SUBSTANCE: invention relates to novel crystalline inorganic scintillation materials based on lanthanum bromide alloyed with cerium, and can be used for registration of ionizing radiation - gamma rays, X-rays, cosmic rays, elementary particles in fundamental physics, engineering and medicine. The inorganic single-crystal scintillator has the composition of La(1-m)CemBr(3-2k)Ok, where m is the mole fraction of cerium replacing La, more than 0, but less than or equal to 1; k - the mole fraction of oxygen replacing bromine, within the range from 1.5⋅10-4 to 8⋅10-4.
EFFECT: increased mechanical strength of the crystal scintillator, in particular with a diameter of 15 mm and more, while preserving the high scintillation performances.
1 tbl, 8 ex
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