Scintillator crystals, method for making same, use thereof

This invention involved of is composed for M1-xCexCl3 of inorganic flashing material, which m in La of element or La of element of mixture in the select, best is in y, and La, and Gd, and Lu this group element or element of mixture in the select; especially in La, and Gd, and Lu this group element or element of mixture in the select, which x is CE replacement m of moerbi, x is greater than or is equal to 1 Moore%, and strictly to is less than 100 Moore%. This invention also covers such flashing flashing material single crystal growth method and the material used as a scintillation detector parts, particularly for industrial, medical or the oil industry.