Mingqing LI, Linwei WANG, Dongzhou DING, He FENG. Mechanism of Mg-codoping in Improving the Time Performance of Gd3(Al,Ga)5O12:Ce Scintillator [J]. Journal of Inorganic Materials, 2022, 37(10): 1123
- Journal of Inorganic Materials
- Vol. 37, Issue 10, 1123 (2022)
1. Photos of Gd3Al2.3Ga2.7O12:Ce,Mg crystals
2. Transmission spectra of Gd3Al2.3Ga2.7O12:Ce, Mg crystals
3. Energy spectra (a) and scintillation decay curves (b) of Mg co-doped GAGG:Ce crystals
4. Schematic diagram of the scintillating procedure
5. Absorption spectra (a) and PL excitation spectra (b) of GAGG:Ce,Mg crystals
6. Concentration of antisite defect LuAl in single crystal LuAG:Ce vs Ce3+ concentration
7. Schematic of the structure near the dodecahedral site (a), and the distortion of dodecahedral and octahedral sites caused by Ce doping (b)
8. X-ray excited luminescence spectra of GAGG:Ce,Mg crystals with the inset showing the GdAl/Ga-related emission peak
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Table 1. Relative light yield and scintillation decay time values of the Mg co-doped GAGG:Ce crystals. Scintillation decay is approximated by a single-exponential function
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Table 2. Ionic radii of the cations (coordination number: 6[20])
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