ZHURAVLEVA MARIYA (US)
MELCHER CHARLES L (US)
AMENDED CLAIMS received by the International Bureau on 16 January 2015 (16.01.2015) What is claimed is: 1. A scintillator material comprising one of Formulas (I), (II I), (IV), (V), or (VI): '2(i-y)L'2yBX4 (II I); A'(1-y)L'yB2X5 (IV); A'Vy)L"2yBX4 (V); or A"(1.y)L"yB2X5 (VI); wherein: 0.0001≤y<0.5; A is one or more alkali metal; A' is one or more of the group consisting of Li, K, Rb, and Cs; A" is Na or a combination of Na and one or more additional alkali metal; B is one or more alkali earth metal; L is selected from the group consisting of Eu, Ce, Tb, Yb, and Pr; L' is selected from the group consisting of Tl, In, and Na; L" is selected from the group consisting of Tl and In; and X is one or more halide. 2. The scintillator material of claim 1 , wherein A or A' is selected from K, Rb, and Cs. 3. The scintillator material of claim 1 or claim 29, wherein B is selected from Sr and Ba. 4. The scintillator material of claim 1 , wherein X is selected from CI, Br, and I. 5. The scintillator material of claim 1 , wherein L is Eu and the scintillator material comprises A2B(i_y)EuyX4. 39 6. The scintillator material of claim 1 , wherein 0.01 7. The scintillator material of claim 6, wherein 0.025≤y<0.05. 8. The scintillator material of claim 7, comprising A2Bo.95Euo.05X4. 9. The scintillator material of claim 7, wherein the scintillator material is selected from the group consisting of K2Bal :Eu 5%; K2BaBr4:Eu 5%; Rb2BaCI4:Eu 5%; K2SrBr4:Eu 5%; and Rb2BaCI4:Eu 2.5%. 10. A radiation detector comprising a photon detector and a scintillation material, wherein the scintillation material comprises a scintillator material of claim 1 , claim 29, or claim 32. 11. The radiation detector of claim 10, wherein the detector is a medical diagnostic device, a device for oil exploration, or a device for container or baggage scanning. 12. A method of detecting gamma rays, X-rays, cosmic rays, and/or particles having an energy of 1 keV or greater, the method comprising using the radiation detector of claim 10. 13. A radiation detector comprising a photon detector and a scintillation material, wherein the scintillation material comprises one of Formulas (Γ), (III'), (IV), (V'), or (VI'): A2B(1-Z)LZX4 (I'); A z zBX^III'); A'(1-Z)L'ZB2X5 (IV); A"2(i-z)L"2zBX4 (V); or A"(1-Z)L"ZB2X5 (VI'); wherein: 0.0001≤z<1.0; A is one or more alkali metal; 40 A' is one or more of the group consisting of Li, K, Rb, and Cs; A" is Na or a combination of Na and one or more additional alkali metal; B is one or more alkali earth metal; L is selected from the group consisting of Eu, Ce, Tb, Yb, and Pr; L' is selected from the group consisting of Tl, In, and Na; L" is selected from the group consisting of Tl and In; and X is one or more halide. 14. The radiation detector of claim 13, wherein A or A' is selected from K, Rb, and Cs. 15. The radiation detector of claim 13 or claim 33, wherein B is selected from Sr and Ba. 16. The radiation detector of claim 13, wherein X is selected from CI, Br, and I. 17. The radiation detector of claim 13 wherein L is Eu and the scintillator material comprises A2B(i-Z)EuzX4. 18. The radiation detector of claim 13 or claim 33, wherein 0.01 <z<0.1. 19. The radiation detector of claim 13 or claim 33, wherein 0.025≤z<0.05. 20. The radiation detector of claim 13, wherein the scintillation material comprises A2Bo.95Euo.05X4- 21. The radiation detector of claim 13, wherein the scintillation material is selected from the group consisting of K2Bal4:Eu 5%; K2BaBr4:Eu 5%; Rb2BaCI :Eu 5%; K2SrBr4:Eu 5%; and Rb2BaCI4:Eu 2.5%. 22. The radiation detector of claim 13, wherein z is 1. 23. The radiation detector of claim 22, wherein the scintillation material is K2EuCI4. 24. The radiation detector of claim 13 or claim 33, wherein the detector is a medical diagnostic device, a device for oil exploration, or a device for container or baggage scanning. 25. A method of detecting gamma rays, X-rays, cosmic rays, and/or particles having an energy of 1 keV or greater, the method comprising using the radiation detector of claim 13 or claim 33. 26. A method of preparing a scintillator material of claim 1 , claim 29, or claim 32, wherein the method comprises heating a mixture of raw materials above their respective melting temperatures. 27. The method of claim 26, wherein the method comprises: (a) providing a mixture of raw materials, wherein the raw materials are provided in a stoichiometric ratio according to one of the formulas of claim 1 , claim 29, or claim 32; (b) sealing said mixture in a sealed container; (c) heating the mixture to about 20°C above the melting point of the raw material having the highest melting point for a period of time; (d) cooling the mixture to about room temperature; and (e) optionally repeating steps (c) and (d). 28. The method of claim 26, wherein the scintillator material is prepared in polycrystalline form. 29. A scintillator material comprising Formula (II): AB2(1_y)L2yX5 (II), wherein: 0.0001<y≤0.5; A is one or more alkali metal, optionally wherein A is selected from K, Rb, and Cs; B is one or more alkali earth metal; L is selected from the group consisting of Eu, Ce, Tb, Yb, and Pr; and X is one or more halide selected from F, CI, and Br, optionally wherein X is selected from CI and Br. 30. The scintillator material of claim 29, wherein L is Eu and the scintillator material comprises AB2(i-y)Eu2yX5. 31. The scintillator material of claim 29, wherein 0.01<y<0.1 ; optionally wherein 0.025≤y≤0.05; optionally wherein the scintillator material comprises AB2(o.975)Eu2(o.o25) 5; optionally wherein the scintillator material is selected from the group consisting of RbSr2CI5:Eu 2.5%; KSr2Br5:Eu 2.5%; RbBa2Br5:Eu 2.5%; and RbSr2Br5:Eu 2.5%. 32. A scintillator material selected from the group consisting of KBa2l5:Eu 2.5%; CsSr2l5:Eu 2.5%; KSr2l5:Eu 4%; and KSr2l5:Eu 2.5%. 33. A radiation detector comprising a photon detector and a scintillation material, wherein the scintillation material comprises Formula (I I'): AB2(1-z)L2zX5 (ΙΓ), wherein: 0.0001 <z<1.0; A is one or more alkali metal, optionally selected from K, Rb, and Cs; B is one or more alkali earth metal; L is selected from the group consisting of Eu, Ce, Tb, Yb, and Pr; and X is one or more halide selected from the group F, CI, and Br, optionally selected from CI and Br. 43 34. The radiation detector of claim 33, wherein L is Eu and the scintillator material comprises AB2(i-z)Eu2z 5. 35. The radiation detector of claim 33, wherein the scintillation material comprises AB2(o.975)Eu2(o.o25) 5, optionally wherein the scintillation material is selected from the group consisting of RbSr2CI5:Eu 2.5%; KSr2Br5:Eu 2.5%; RbBa2Br5:Eu 2.5%; and RbSr2Br5:Eu 2.5%. 36. The radiation detector of claim 33, wherein the scintillation material is RbEu2CI5. 44 |