Thermoluminescence characteristics of NaSr_4(BO_3)_3:Ce^(3+) under β-ray irradiation  

作　　者：姜丽宏 张彦立 李成宇 庞然 师丽丽 张粟 郝景权 苏锵 

机构地区：[1]State Key Laboratory of Application of Rare Earth Resources,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China [2]Graduated School of Chinese Academy of Sciences,Beijing 100039,China [3]Ionizing Radiation Division,National Institute of Metrology,Beijing130000,China [4]State Key Laboratory of Optoelectronic Materials and Technology,School of Chemistry and Chemical Engineering,Sun Yat-sen University,Guangzhou 510275,China

出　　处：《Journal of Rare Earths》2009年第2期320-322,共3页稀土学报（英文版）

基　　金：supported by the National Key Project of Basic Research of China (G1998061312)

摘　　要：The thermoluminescence （TL） properties of Ce3＋ doped NaSr4（BO3）3 phosphor under the β-ray irradiation were reported. The polycrystalline sample was synthesized by high temperature solid-state reaction. The TL glow curve of NaSr4（BO3）3：Ce3＋ phosphor was composed of only one peak. TL kinetic parameters of NaSr4（BO3）3：Ce3＋ were deduced by the peak shape method, the activation energy （E） was 0.590 eV and the frequency factor was 1.008×10^6S^-1. TL dose response was linear in the range of measurement. The 3-dimensional （3D） TL emission spectrum was also recorded, the emission spectrum consisted of two bands located at 441 and 479 nm respectively, corresponding to the characteristic 4f^05d^1→2F（5/2,7/2） transitions of the Ce3＋ ion. The fading behavior of the NaSr4（BO3）3：Ce3＋ phosphor over a period of 15 d was also studied.The thermoluminescence （TL） properties of Ce3＋ doped NaSr4（BO3）3 phosphor under the β-ray irradiation were reported. The polycrystalline sample was synthesized by high temperature solid-state reaction. The TL glow curve of NaSr4（BO3）3：Ce3＋ phosphor was composed of only one peak. TL kinetic parameters of NaSr4（BO3）3：Ce3＋ were deduced by the peak shape method, the activation energy （E） was 0.590 eV and the frequency factor was 1.008×10^6S^-1. TL dose response was linear in the range of measurement. The 3-dimensional （3D） TL emission spectrum was also recorded, the emission spectrum consisted of two bands located at 441 and 479 nm respectively, corresponding to the characteristic 4f^05d^1→2F（5/2,7/2） transitions of the Ce3＋ ion. The fading behavior of the NaSr4（BO3）3：Ce3＋ phosphor over a period of 15 d was also studied.

关 键 词：THERMOLUMINESCENCE DOSIMETRY NaSr4（BO3）3 Β-RAY rare earths 

分 类 号：TG115.2[金属学及工艺—物理冶金]