中文摘要：

结合闪烁材料设计开发与后端探测器应用需求及发展,基于CT装备对材料及器件的具体性能要求,有针对性地开发新一代面向医疗CT应用的闪烁材料与阵列。拟采用钆镓铝石榴石闪烁陶瓷为主要研究对象,通过阐明＂材料设计-制备工艺-微观结构-闪烁性能＂的内在关联与作用机制,实现高性能低成本稀土闪烁材料的性能裁剪与可控制备,显著地提升余辉、发光效率、抗辐照损伤等关键闪烁性能参数,使之满足未来CT、PET探测器的应用需求。

英文摘要：

Based on the specific performance requirements of CT system for materials and devices, and the combination of the design of scintillators with the application demands of detectors, this project will focus on developing a new generation of scintillator and array for medical CT application. In this project, we will mainly study on the gadolinium gallium aluminum garnet ceramics and try to realize the performances tuning and controllable preparation of rare- earth doped scintillators by analyzing the inherent correlation and mechanism of ＂material design- preparation technology- microstructure- scintillation performance＂. As a result, the key scintillation performances, such as afterglow, light output and radiation resistance will be improved significantly, which would satisfy the requirements for future CT and PET detectors.