| 简介 |
Disclosed herein is a scintillator comprising a plurality of garnet compositions in a single block having the structural formula (1) : €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ M 1 aM 2 bM 3 cM 4 dO 12 €ƒ€ƒ€ƒ€ƒ€ƒ(1) where O represents oxygen, M 1 , M 2 , M 3 , and M 4 represents a first, second, third and fourth metal that are different from each other, where the sum of a + b + c+ d is about 8, where "a" has a value of 2 to 3.5, "b" has a value of 0 to 5, "c" has a value of 0 to 5 "d" has a value of 0 to 1, where "b" and "c", "b" and "d" or "c" and "d" cannot both be equal to zero simultaneously, , where M 1 is rare earth element including gadolinium, yttrium, lutetium, or a combination thereof, M 2 is aluminum or boron, M 3 is gallium and M 4 is a codopant; wherein two compositions having identical structural formulas are not adjacent to each other and wherein the single block is devoid of optical interfaces between different compositions. |
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