本文报道了垂直梯度凝固法(VGF)生长PWO晶体的研究结果.通过优化工艺参数,成功获得直径25mm、长度140mm的PWO晶体.通过测试PWO晶体的XRD、透过光谱、荧光光谱等,研究了所得晶体的光学性能.结果表明:VGF法生长PWO晶体在350～420 nm处的光学透过率明显提高,荧光发光主峰位于435 nm,是快发光峰,但慢发光比例有所增加.
参考文献
| [1] | 杨培志,廖晶莹,沈炳孚,邵培发,倪海红,方全兴,殷之文.高质量钨酸铅（PWO）晶体的生长[J].无机材料学报,2002(02):210-214. |
| [2] | Hans Mueller;Rui Pimenta;Luciano Musa;Zhongbao Yin;Dieter Roehrich;Bernhard Skaali;Iouri Sibiriak;Dmitry Budnikov .Trigger electronics for the Alice PHOS detector[J].Nuclear Instruments and Methods in Physics Research, Section A. Accelerators, Spectrometers, Detectors and Associated Equipment,2004(1/2):525-528. |
| [3] | Lecoq P.;Auffray E.;Schneegans M.;Korzhik MV.;Missevitch OV.;Pavlenko VB.;Fedorov AA.;Annenkov AN.;Kostylev VL.;Ligun VD.;Dafinei I. .LEAD TUNGSTATE (PBWO4) SCINTILLATORS FOR LHC EM CALORIMETRY[J].Nuclear Instruments and Methods in Physics Research, Section A. Accelerators, Spectrometers, Detectors and Associated Equipment,1995(2/3):291-298. |
| [4] | P. Lecoq .Ten years of lead tungstate development[J].Nuclear Instruments and Methods in Physics Research, Section A. Accelerators, Spectrometers, Detectors and Associated Equipment,2005(1/2):15-21. |
| [5] | Annenkov AA.;Korzhik MV.;Lecoq P. .Lead tungstate scintillation material[J].Nuclear Instruments and Methods in Physics Research, Section A. Accelerators, Spectrometers, Detectors and Associated Equipment,2002(1/2):30-50. |
| [6] | Loo W V .Luminescence of Lead Molybdate and Lead Tungstate[J].Physical Status Solidi A Applied Research,1975,27:565-574. |
| [7] | Groeink J A;Binsma H .Electrical Conductivity and Defect Chemistry of PbMoO4 and PbWO4[J].Journal of Solution Chemistry,1979,29:227-236. |
| [8] | M. Kobayashi;S. Sugimoto;Y. Yoshimura;Y. Usuki;M. Ishii;N. Senguttuvan;K. Tanji;M. Nikl .A new heavy and radiation-hard Cherenkov radiator based on PbWO_(4)[J].Nuclear Instruments and Methods in Physics Research, Section A. Accelerators, Spectrometers, Detectors and Associated Equipment,2001(3):482-493. |
| [9] | Burachas S;Beloglovki S;Makov I et al.Lead Tungstate Crystal for the ALICE/CERN Experiment[J].Nuclear Instruments and Methods in Physics Research A:Accelerators,Spectrometers,Detectors and Associated Equipment,2002,486:83-88. |
| [10] | 杨培志,廖晶莹,沈炳孚,邵培发,倪海红,方全兴,殷之文.高质量钨酸铅（PWO）晶体的生长[J].无机材料学报,2002(02):210-214. |
| [11] | 吴冲,李澄,汪兆民,宫竹芳,陈宏芳,许咨宗,廖晶莹,袁晖.钨酸铅晶体的性能测试[J].高能物理与核物理,1999(12):1141-1147. |
| [12] | 祁金林,顾牡,汤学峰,童宏勇,郑万辉,陈玲燕,廖晶莹,沈炳孚,曲向东,沈定中,李培俊,殷之文,王景成,徐炜新.用正电子湮没实验研究PbWO4新型闪烁晶体绿光发光机理[J].核技术,2000(07):433-436. |
| [13] | 张秀彦,张启仁,刘廷禹,陈腾,田东升.填隙氧离子对钨酸铅晶体光学性质的影响及绿光起源的研究[J].上海理工大学学报,2007(02):121-124,128. |
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