| abstract |
In the present invention, the formula is Pr (1-xy) Ln y Ce x X 3 (wherein-Ln is an element selected from the group of La, Nd, Pm, Sm, Eu, Gd, Y or a mixture of two or more elements, X is a halide selected from the group of Cl, Br, I or a mixture of two or more halides, x is greater than 0.0005 and less than 1, y is from 0 to less than 1 and-(x + y) is less than 1 ), And its use as a scintillation detector, for example as a PET scanner with flight time.n n n Scintillation, process for producing scintillation single crystal, scintillator, scintillation detector |