Preparation, structure and spectral properties of Eu3+-doped Lu2O3 scintillation ceramics

被引：0

作者：

Pan, Yuxin ^{[1
]}

You, Qi ^{[3
,4
]}

Tang, Zhixian ^{[1
]}

Wei, Qiuyun ^{[2
]}

Lin, Hui ^{[3
,4
]}

Zhang, Dawei ^{[3
,4
]}

Xu, Xiaodong ^{[5
]}

Yao, Xufeng ^{[1
]}

机构：

[1] Shanghai Univ Med & Hlth Sci, Coll Med Imaging, Jiading Dist Cent Hosp Affiliated, Shanghai 201318, Peoples R China

[2] Shanghai Univ Med & Hlth Sci, Coll Med Imaging, Shanghai 201318, Peoples R China

[3] Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Minist Educ, Shanghai 200093, Peoples R China

[4] Univ Shanghai Sci & Technol, Shanghai Key Lab Modern Opt & Syst, Shanghai 200093, Peoples R China

[5] Jiangsu Normal Univ, Sch Phys & Elect Engn, Jiangsu Key Lab Adv Laser Mat & Devices, Xuzhou 221116, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2024年 / 50卷 / 22期

关键词：

Transparent ceramics; Spectral properties; Scintillation; SINGLE-CRYSTAL; FABRICATION; EU3+; NANOPOWDERS; PHOSPHORS;

D O I：

10.1016/j.ceramint.2024.09.214

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Lu2O3 scintillation ceramics doped with different concentrations of Eu3+ were prepared by SPS in a vacuum environment. The microstructural properties of the prepared ceramics were analyzed using XRD, SEM and EDS in details. Excited by the 395 nm, the Eu3+-doped samples display a prominent emission peak at 612 nm, corresponding to the transition 5D0 -> 7F2. The PL spectra across various concentrations identified 3 at.% as the optimal doping concentration. The temperature-dependent PL spectra reveal the activation energy of approximately 0.266 eV for the 3 % Eu3+-doped Lu2O3 ceramic. Under 395 nm excitation, the lifetimes of xEu:Lu2O3 (x = 0.01, 0.03, 0.05 and 0.07) ceramics were fitted to be 1.07 ms, 1.02 ms, 0.99 ms and 0.92 ms, respectively. The XEL spectra of Eu3+-doped samples are consistent with their PL spectra, aligning well with the sensitivity range of the detector. These results demonstrate that Eu3+:Lu2O3 scintillation ceramics are ideal materials for scintillation detectors.

引用

页码：48655 / 48661

页数：7

共 26 条

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