掺Yb3+闪烁晶体是新近发展起来的一类闪烁体,有可能用于探测太阳中微子.本文简要介绍了掺Yb3+闪烁晶体的电荷迁移发光的机理以及基质晶体对温度猝灭与浓度猝灭的影响.综述了具有石榴石结构和钙钛矿结构的两类掺Yb3+闪烁晶体的研究进展,特别是Yb:YAG和Yb:YAP晶体的生长、闪烁性能以及应用前景.最后,对掺Yb3+闪烁晶体的未来研究方向做了展望.
The Yb3+-doped scintillation crystals are novel kinds of scintillators, which may be applied to the detection of the solar neutrinos. This paper briefly introduced the mechanism of charge transfer luminescence in scintillators containing Yb3+ ions, and the host effect on the thermal and concentrations quenching. This paper also reviewed the research development of Yb3+-doped garnet and perovskite crystals, especially on the growth, scintillation properties and promising application of Yb:YAG and Yb:YAP crystals. Finally the future research topics of the Yb3+-doped scintillation crystals were discussed.
参考文献
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| [3] | Royal Swedish Academy of Sciences. The Nobel Prize in Physics 2002: Press Release |
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