史雅囡,蒋周青,张天鹏,王承二,桂强,张春生,余金秋

• 1:有研稀土新材料股份有限公司稀土国家工程研究中心
• 2:有研稀土高技术有限公司
• 3:北京玻璃研究院有限公司

摘要(Abstract)：

闪烁晶体作为辐射探测关键材料，在核医学影像、高能物理、安全检查及工业无损检测等领域展现出巨大应用潜力。近20余年来，稀土卤化物闪烁晶体凭借高光产额、高能量分辨率、快衰减等优异性能获得了快速发展，成为新型闪烁材料的研究热点。针对不同应用场景对闪烁晶体性能的差异化需求，开展新型稀土卤化物闪烁晶体的材料设计与性能优化研究具有重要的学术价值与应用前景。然而，该类晶体普遍存在易潮解的固有缺陷，对高纯无水原料制备、晶体生长过程控制以及器件加工与应用均提出了严峻挑战，显著增加了其制备难度与成本。本文基于发光中心类型，将稀土卤化物闪烁晶体划分为Ce~(3+)激活型、 Eu~(2+)激活型和Pr~(3+)激活型3大类进行综述，梳理了稀土卤化物闪烁晶体的结构基础和研究发展脉络，重点分析论述了不同类型稀土卤化物闪烁晶体在闪烁机制、性能优化以及高纯原料制备和产业应用等方面的研究进展，并对其未来发展趋势进行了展望。

关键词(KeyWords)： 稀土;卤化物;掺杂;闪烁晶体;发光中心

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目（2022YFB3503601）资助

作者(Author): 史雅囡,蒋周青,张天鹏,王承二,桂强,张春生,余金秋

DOI: 10.13373/j.cnki.cjrm.XY25080007

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