Terbium or lutetium containing scintillator compositions having increased resistance to radiation damage
US7008558B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2003 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Oct 22, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/9661
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In some aspects, a scintillator composition includes, prior to annealing, the composition (G1-x-yAxREy)aDzO12, 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.