新型闪烁晶体SrI_2:Eu及研究进展  

RESEARCH PROGRESS OF A NEW SCINTILLATION CRYSTAL SrI_2:Eu

作　　者：秦来顺[1] 史宏声[1] 舒康颖[1] 任国浩[2] 

机构地区：[1]中国计量学院材料科学与工程学院,杭州310018 [2]中国科学院上海硅酸盐研究所,上海201800

出　　处：《硅酸盐学报》2010年第10期1977-1981,共5页Journal of The Chinese Ceramic Society

基　　金：国家自然科学基金(11075147)资助项目

摘　　要：SrI2:Eu是一种性能优异的闪烁晶体,具有较大的原子序数、高的光输出、极低的能量分辨率和较小的余辉时间等优点。SrI2:Eu晶体适合于元素同位素甄别、安全检查及工业和医学X射线断层扫描、超高分辨X射线成像等领域。综述了新型闪烁晶体SrI2:Eu的闪烁性能和晶体生长研究成果;评述了晶体应用与晶体生长发展的方向;同时指出了该晶体开发过程中应解决的主要问题,如:原料处理、晶体生长、闪烁机理和器件应用等方面还需进一步加以研究,以推动该晶体的应用。SrI2：Eu crystal is an excellent scintillation crystal with relatively large effective atomic number,high light output,very small energy resolution,and relatively low afterglow time.It is very suitable for application in nuclear isotope identifiers and security inspection,and potential for industrial and medical computer tomography,high resolution X-ray imaging,etc.The scintillation property and crystal growth of the new scintillator SrI2：Eu crystal are reviewed in the paper.The application of SrI2：Eu crystal is described.Also some investigations necessary required for SrI2：Eu development are identified,such as raw materials processing,large crystal growth with high quality,scintillation mechanism and scintillator application.

关 键 词：碘化锶晶体 晶体生长 闪烁性能 

分 类 号：O731[理学—晶体学]