摘要 热释光剂量计材料Mg2SiO4:Tb具有灵敏度高、发光曲线简单、衰减率低和重复性好等优点,使得其在辐照剂量监测领域得到了广泛的开发和应用。将从热释光发光动力学、剂量特性和光效应三方面对Mg2SiO4:Tb材料的热释光特性进行综述,并对Mg2SiO4:Tb剂量计在应用中存在的问题进行了分析和讨论。
关键词 热释光 Mg2SiO4:Tb 剂量特性 Research on Thermoluminescence Characteristics of Mg2SiO4:Tb Dosimeter
MENG Junhui1,2 , WANG Yafang1, LIU Ruilin1,2 , LIU Chengyin1,WANG Yongxi1,3, XU Jiangfeng1
Abstract Mg2SiO4:Tb has been widely used as thermoluminescence dosimetry because of its high sensitivity, simple glow curve, low fading and good repeatability. Thermoluminescence characteristics of Mg2SiO4:Tb dosimeter are reviewed, which include TL kinetics, dose response and light effect. Moreover, problems in the application of Mg2SiO4:Tb are mentioned and discussed.
Key words thermoluminescence, Mg2SiO4:Tb, dosimetry characteristics