文献类型：期刊文献

英文题名：Study of thermoluminescence, photoluminescence and dosimetry for the YAGG:Ce (Y2.96Al3.4Ga1.6O12:0.04Ce) phosphor

作者：Xiong, Zhengye[1];Wang, Xiaochun[1];Liang, Yuanting[1];Liu, Hao[1];Xu, Zhuo[1];Guo, Jingyuan[1]

机构：[1]Guangdong Ocean Univ, Sch Elect & Informat Engn, Zhanjiang 524088, Peoples R China

年份：2023

卷号：193

外文期刊名：APPLIED RADIATION AND ISOTOPES

收录：SCI-EXPANDED(收录号：WOS:000916489600001)、、EI(收录号：20230213351994)、Scopus(收录号：2-s2.0-85145578721)、WOS

基金：This research was supported by the Science and Technology Planning Project of Guangdong Province (2015A020216020) , Educational Commission of Guangdong Province (S202010566059) , Innovation, Entrepreneurship Training program for college students (CXXL2019259) and Start-up Fund for doctoral research (060302112102) .

语种：英文

外文关键词：Photoluminescence (PL); Thermoluminescence (TL); Dosimeter; TL 3D spectra

外文摘要：The comprehensive effect of ionizing radiation should be considered in the use and or analysis of certain elec-tronic equipment. Fluorescent powders are widely used in electronic equipment, so they are attempted to be used as thermoluminescence (TL) dosimeter directly. Green YAGG:Ce phosphors were prepared by a high-temperature solid-state reaction method. The TL glow curves, TL dose response, TL three-dimensional (3D) spectra (80 K-800 K) and photoluminescence spectra for the phosphors were measured. The measurement results show that the luminescence peak temperature for the sample occurs at approximately 458 K and the luminescence peak temperatures in the TL 3D spectra are located at 130 K, 240 K and 458 K; there are four kinds of activation energies of traps in the material; the TL response of each component for the YAGG:Ce phosphor shows good linearity and the detection sensitivity of the phosphor is estimated to be less than 2 mGy. TL 3D spectra and PL spectra show that the luminescence from the phosphors arises from the 2D3/2-* 2F5/2,7/2 transition of Ce ions, and the TL 3D spectra at 130 K, 240 K and 458 K are almost the same, which proves that the temperature can hardly change the relative probability of the 2D3/2-* 2F5/2,7/2 transitions. The results show that YAGG:Ce could be used as dosimeter material.