A rare earth ion cerium ion doped lithium silicate-based microcrystalline glass, a preparation method and application thereof
By doping rare-earth cerium ions into lithium silicate-based glass and optimizing the preparation process, a high-yield, low-cost microcrystalline glass was prepared, solving the problems of low light yield and stability of existing lithium glass scintillators and improving neutron detection performance.
CN122403776APending Publication Date: 2026-07-17SOUTH CHINA UNIV OF TECH +1
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SOUTH CHINA UNIV OF TECH
- Filing Date
- 2026-04-16
- Publication Date
- 2026-07-17
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Abstract
本发明涉及辐射探测与中子探测技术领域，公开了一种稀土离子铈离子掺杂的锂硅酸盐基微晶玻璃及其制备方法和应用。所述微晶玻璃掺杂0.5%~4.0mol%的稀土离子Ce3+，玻璃基质中析出微晶相Li2Al2Si3O10。玻璃基质及其摩尔百分比为：Li2O：20%~38%、MgO：5%~6.5%、Al2O3：8%~12%、SiO2：47%~63%、成核剂：0.5%~2.0%、Ce2O3：0.5%~4.0%。该锂硅酸盐基微晶玻璃兼具良好的光学性能和出色的X射线辐射发光性能以及优异的中子探测性能，优于现有市面上商用锂玻璃且其成本低，可实现在核反应堆、中子放疗、能源勘探和环境监测等场景下的中子探测。
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