报道了用改进的Bridgmam法生长的大尺寸PbWO4:(Sb,Y)晶体的光谱特性的表征研究.通过对依次切自大尺寸PbWO4:(Sb,Y)毛坯晶体的籽晶端、中间部位和顶端三块晶体(~23mm×23mm×20mm)的透射光谱、X射线激发发射光谱、紫外激发与发射光谱、发光衰减寿命、光产额和辐照损伤等方面的光谱性能测试,结果表明,Sb、Y双掺杂能显著改善PbWO4晶体的光谱性能,使晶体在短波330~420nm范围的透过率明显提高,光产额增加,抗辐照能力增强.但从籽晶端到顶端的性能存在一定的差异,说明大尺寸的PbWO4:(Sb,Y)晶体的均匀性还有待提高.
参考文献
[1] | Kroger F A. Some Aspects of the Luminescence in solids, Elsevier, Amsterdam, 1948. |
[2] | CMS Collaboration, The Compact Muon Solenoid-Technical Proposal, CERN/LHCC 94-38, LHCC/P1, Dec.,1994. |
[3] | Lecoq P, Dafinei I, Auffray E, et al. Nucl. Instr. and Meth. A, 1995, 365: 291-298. |
[4] | 冯锡淇,殷之文(Feng Xiqi,et al).无机材料学报(Journal ofInorganic Materaials),1997,12(4):449-456. |
[5] | Zhang X, Liao J Y, et al. Chem. Phys. Lett., 2004, 383: 245-250. |
[6] | Kobayashi M, Usuki Y, Ishii M, et al. Proceedings of SCINT 2003, Valencia, Spain. |
[7] | Kobayashi M, Usuki Y, Ishii M, et al. Nucl. Instr. and Meth. A, 1999, 434: 412-423. |
[8] | Annenkov A, Auffray E, Borisevich A, et al. Nucl. Instr. and Meth. A, 1999, 426: 486-490. |
[9] | Qu X D, Zhang L Y, et al. Nucl. Instr. and Meth. A, 2002, 486: 89-92. |
[10] | Yang P Z, Liao J Y, Shen B F, et al. J. Cryst. Growth, 2002, 236: 589-595. |
[11] | 廖晶莹(Liaojingying,et al).无机材料学报(Journal ofInorganic Materials),1997,12(3):286-290. |
[12] | 冯锡淇,韩宝国,胡关钦,等.物理学报,1999,48(7):1282-1291. |
[13] | NIKL M, Nitisch K, Baccaro S, et al. J. Appl. Phys., 1997, 82(11): 5758-5761. |
[14] | Ling Q S, Feng X Q, et al. Phys. Stat. Sol. (a), 2000, 181: R1-R3. |
[15] | Huang H W, Li W S, Feng X Q, et al. Phys. Stat. Sol. (a), 2001, 187: 563-567. |
[16] | Huang Y L, Zhu W L, Feng X O, et al. J. Sol. Stat. Chem., 2003, 172: 188-193. |
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