Abstract:
In some aspects, a scintillator composition includes, prior to annealing, the composition (GARE)DO, wherein D is selected from the group consisting of Al, Ga and In, G is selected from the group consisting of Tb, Y, La, Gd, and Yb, A is selected from the group consisting of Lu, Y, La, Gd, and Yb, and RE is selected from the group consisting of Ho, Er, Tm and Ce, and x is in the range from 0 up to about 0. 2774, inclusive, y is in the range from about 0. 001 up to about 0. 012, inclusive, a is in the range 2. 884 up to about 3. 032, inclusive, and z is in the range from about 4. 968 up to about 5. 116, inclusive.