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Ce3+:Lu3Al5O12-Al2O3 optical nanoceramic scintillators elaborated via a low-temperature glass crystallization route

文献类型：期刊论文

作者Fu, Jie1,2,4; Feng, Shaowei2,4; Guo, Yongchang2,4; Zhang, Ying2,4; Genevois, Cecile3; Veron, Emmanuel3; Allix, Mathieu3; Li, Jianqiang1
刊名JOURNAL OF ADVANCED CERAMICS
出版日期2023-02-01
卷号12期号:2页码:268-278
ISSN号2226-4108
关键词glass crystallization garnet antisite defects Lu3Al5O12-Al2O3 (LuAG-Al2O3) transparent ceramics nanoceramics scintillation
DOI10.26599/JAC.2023.9220681
英文摘要Transparent Ce:lutetium aluminum garnet (Ce: Lu3Al5O12, Ce:LuAG) ceramics have been regarded as potential scintillator materials due to their relatively high density and atomic number (Z(eff)). However, the current Ce:LuAG ceramics exhibit a light yield much lower than the expected theoretical value due to the inevitable presence of Lu-Al antisite defects at high sintering temperatures. This work demonstrates a low-temperature (1100 degrees C) synthetic strategy for elaborating transparent LuAG-Al2O3 nanoceramics through the crystallization of 72 mol% Al2O3-28 mol% Lu2O3 (ALu28) bulk glass. The biphasic nanostructure composed of LuAG and Al2O3 nanocrystals makes up the whole ceramic materials. Most of Al2O3 is distributed among LuAG grains, and the rest is present inside the LuAG grains. Fully dense biphasic LuAG-Al2O3 nanoceramics are highly transparent from the visible region to mid-infrared (MIR) region, and particularly the transmittance reaches 82% at 780 nm. Moreover, Lu-Al antisite defect-related centers are completely undetectable in X-ray excited luminescence (XEL) spectra of Ce:LuAG-Al2O3 nanoceramics with 0.3-1.0 at% Ce. The light yield of 0.3 at% Ce:LuAG-Al2O3 nanoceramics is estimated to be 20,000 ph/MeV with short 1 mu s shaping time, which is far superior to that of commercial Bi4Ge3O12 (BGO) single crystals. These results show that a low-temperature glass crystallization route provides an alternative approach for eliminating the antisite defects in LuAG-based ceramics, and is promising to produce garnet-based ceramic materials with excellent properties, thereby meeting the demands of advanced scintillation applications.
WOS关键词TRANSPARENT CERAMICS ; SINGLE-CRYSTAL ; INORGANIC SCINTILLATORS ; CE ; PERFORMANCE ; YAG ; MICROSTRUCTURE ; LUMINESCENCE ; FABRICATION ; PHOSPHORS
资助项目National Natural Science Foundation of China[51972304] ; Beijing Municipal Science & Technology Commission, Administrative Commission of Zhongguancun Science Park[Z221100006722022] ; Project of Scientific Experiment on Chinese Manned Space Station, Chinese Academy of Sciences President's International Fellowship Initiative[2021VEA0012] ; Fundamental Research Funds for the Central Universities ; Centre-Val de Loire Region (FEDER) ; European Union
WOS研究方向Materials Science
语种英语
出版者TSINGHUA UNIV PRESS
WOS记录号WOS:000923445600005
资助机构National Natural Science Foundation of China ; Beijing Municipal Science & Technology Commission, Administrative Commission of Zhongguancun Science Park ; Project of Scientific Experiment on Chinese Manned Space Station, Chinese Academy of Sciences President's International Fellowship Initiative ; Fundamental Research Funds for the Central Universities ; Centre-Val de Loire Region (FEDER) ; European Union
源URL[http://ir.ipe.ac.cn/handle/122111/57029]  
通讯作者Allix, Mathieu; Li, Jianqiang
作者单位1.Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Univ Orleans, CNRS, CEMHTI UPR 3079, F-45071 Orleans, France
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Fu, Jie,Feng, Shaowei,Guo, Yongchang,et al. Ce3+:Lu3Al5O12-Al2O3 optical nanoceramic scintillators elaborated via a low-temperature glass crystallization route[J]. JOURNAL OF ADVANCED CERAMICS,2023,12(2):268-278.
APA Fu, Jie.,Feng, Shaowei.,Guo, Yongchang.,Zhang, Ying.,Genevois, Cecile.,...&Li, Jianqiang.(2023).Ce3+:Lu3Al5O12-Al2O3 optical nanoceramic scintillators elaborated via a low-temperature glass crystallization route.JOURNAL OF ADVANCED CERAMICS,12(2),268-278.
MLA Fu, Jie,et al."Ce3+:Lu3Al5O12-Al2O3 optical nanoceramic scintillators elaborated via a low-temperature glass crystallization route".JOURNAL OF ADVANCED CERAMICS 12.2(2023):268-278.

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来源：过程工程研究所

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