Claims
- 1. A transparent crystalline phosphor consisting essentially of lutetium yttrium oxyorthosilicate activated with a rare-earth metal dopant M and having the general formula Lu(2−x−z)YxMzSiO5, wherein 0.00≦x≦1.95, and 0.001≦z≦0.02, and wherein M is selected from the group consisting of Sm, Tb, Tm, Eu, Yb, and Pr.
- 2. The transparent crystalline phosphor of claim 1, wherein 0.20≦x≦1.80.
- 3. The transparent crystalline phosphor of claim 1, wherein x=0.
- 4. A radiation detector, comprising:
(a) a transparent crystalline phosphor consisting essentially of lutetium yttrium oxyorthosilicate activated with a rare-earth metal dopant M and having the general formula Lu(2−x−z)YxMzSiO5, wherein 0.00≦x≦1.95, wherein 0.001≦z≦0.02, and wherein M is selected from the group consisting of Sm, Tb, Tm, Eu, Yb, and Pr; and (b) a photodetector optically coupled to said phosphor for detecting light from said phosphor.
- 5. The radiation detector of claim 4, wherein 0.20≦x≦1.80.
- 6. The radiation detector of claim 4, wherein x=0.
- 7. A transparent crystalline phosphor consisting essentially of lutetium gadolinium oxyorthosilicate activated with a rare-earth metal dopant M and having the general formula Lu(2−x−z)GdxMzSiO5, wherein 0.00≦x≦1.95, wherein 0.001≦z≦0.02, and wherein M is selected from the group consisting of Sm, Tb, Tm, Eu, Yb, and Pr.
- 8. The transparent crystalline phosphor of claim 7, wherein 0.20≦x≦1.80.
- 9. A radiation detector, comprising:
(a) a transparent crystalline phosphor consisting essentially of lutetium gadolinium oxyorthosilicate activated with a rare-earth metal dopant M and having the general formula Lu(2−x−z)GdxMzSiO5, wherein 0.05≦x≦1.95, wherein 0.001≦z≦0.02, and wherein M is selected from the group consisting of Sm, Tb, Tm, Eu, Yb, and Pr.; and (b) a photodetector optically coupled to said phosphor for detecting light from said phosphor.
- 10. The radiation detector of claim 9, wherein 0.20≦x≦1.80.
- 11. A transparent crystalline phosphor consisting essentially of gadolinium yttrium oxyorthosilicate activated with a rare-earth metal dopant M and having the general formula Gd(2−x−z)YxMzSiO5, wherein 0.00≦x≦1.95, wherein 0.001≦z≦0.02, and wherein M is selected from the group consisting of Sm, Tb, Tm, Eu, Yb, and Pr.
- 12. The transparent crystalline phosphor of claim 11, wherein 0.20≦x≦1.80.
- 13. The transparent crystalline phosphor of claim 11, wherein x=0.
- 14. A radiation detector, comprising:
(a) a transparent crystalline phosphor consisting essentially of activated gadolinium yttrium oxyorthosilicate having the general formula Gd(2−x−z)YxMzSiO5, wherein 0.00≦x≦1.95, and 0.001≦z≦0.02, and wherein M is selected from the group consisting of Sm, Tb, Tm, Eu, Yb, and Pr; and (b) a photodetector optically coupled to said phosphor for detecting light from said phosphor.
- 15. The radiation detector of claim 14, wherein 0.20≦x≦1.80.
- 16. The radiation detector of claim 14, wherein x=0.
STATEMENT REGARDING FEDERAL RIGHTS
[0001] This invention was made with government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy. The government has certain rights in the invention.