文献类型：期刊文献

中文题名：LiMgPO4：Tm3+，Er3+磷光体的热释光特性和发光光谱研究

英文题名：Thermoluminescence Properties and Luminescence Spectrum of LiMgPO4：Tm3+，Er3+ Phosphor

作者：Jian, Chenxi[1]; Liang, Yuanting[1]; Chen, Yuanting[1]; Xiong, Zhengye[2]; Zhou, Dongcui[2]; Guo, Jingyuan[2]

机构：[1] Faculty of Chemistry and Environment Science, Guangdong Ocean University, Zhanjiang, 524088, China; [2] School of Electronic and Information Engineering, Guangdong Ocean University, Zhanjiang, 524088, China

年份：2024

卷号：42

期号：4

起止页码：682

外文期刊名：Zhongguo Xitu Xuebao/Journal of the Chinese Rare Earth Society

收录：EI(收录号：20243316861338)

语种：中文

外文关键词：Erbium - High temperature applications - Phosphors - Phosphorus compounds - Rare earths - Silicate minerals - Solid state reactions - Temperature - Thermoluminescence

外文摘要：The rare earth doped olivine phosphate LiMgPO4 is considered as a new dosimetric material with excellent properties for thermoluminescence（TL）measurement. A new LiMgPO4：Tm3+，Er3+ phosphor was synthesized by high temperature solid state reaction method. The TL properties，photoluminescence（PL）and thermoluminescence three-dimensional spectra （TL3D） of the samples under β -ray irradiationwere studied in detail. The results show that there are two TL emission peaks at 120 ℃ and 300 ℃，and the intensity of the high temperature peak is significantly higher than that of the low temperature peak，which is conducive to the stability of the TL signal. The material also exhibits a strong luminescent signal. At the same time，the TL signal of LiMgPO4：Tm3+ ，Er3+ phosphorescent powder has good repeatability. According to TL3D spectrum，LiMgPO4：Tm3+ ，Er3+ have simple luminescence peak shape. Compared with the luminescence of Tm single-doped phosphor，the addition of Er3+ makes the intensity of high temperature peak stronger and inhibits the formation of low temperature shallow trap. In the dose range of 0.2-200 Gy，the material has a good linear dose response. Therefore，LiMgPO4：Tm3+，Er3+ phosphor can be used for radiation dose measurement. ? 2024 Editorial Office of Chinese Rare Earths. All rights reserved.