Photoluminescence, scintillation, and dosimetric properties of Tb-doped Mg2SiO4 single crystals

被引：20
作者：
Ichiba, Kensei [1 ]
Takebuchi, Yuma [1 ]
Kimura, Hiromi [2 ]
Kato, Takumi [1 ]
Nakauchi, Daisuke [1 ]
Kawaguchi, Noriaki [1 ]
Yanagida, Takayuki [1 ]
机构：
[1] Nara Inst Sci & Technol NAIST, Div Mat Sci, 8916-5 Takayama, Ikoma, Nara 6300192, Japan
[2] Natl Inst Adv Ind Sci & Technol, 1-1-1 Umezono, Tsukuba, Ibaraki 3058569, Japan
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2022年 / 33卷 / 17期
基金：
日本学术振兴会;
关键词：
LUMINESCENCE PROPERTIES; CROSS-RELAXATION; DEPENDENT LUMINESCENCE; TRANSLUCENT CERAMICS; STORAGE-LUMINESCENCE; PHOTO LUMINESCENCE; THERMOLUMINESCENCE; TEMPERATURE; NANOPARTICLES; TRANSPARENT;
D O I：
10.1007/s10854-022-08298-3
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Tb-doped Mg2SiO4 single crystals were grown by floating zone method, and photoluminescence (PL), scintillation, and thermally stimulated luminescence (TSL) properties were evaluated. In the PL and scintillation properties, Tb-doped Mg2SiO4 single crystals showed emission peaks at 380, 420, 440, 460, 480, 495, 550, 590, and 630 nm, and the derived decay time constants were typical for the 4f-4f transitions of Tb3+ ions. Regarding the dosimetric properties, TSL glow curves represented the main peaks at 50, 200, and 350 degrees C, and the TSL spectra exhibited the nine emission peaks due to Tb3+ ions. Compared with a commercial TSL dosimeter (TORECK, MSO-S) equipped with powder-form Tb-doped Mg2SiO4, the integrated TSL intensity of the 0.4% Tb-doped single crystal was higher than that of MSO-S element in the dose range from 0.01 to 100 mGy(air).
引用
收藏
页码：13634 / 13641
页数：8
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