Structural and Scintillation Properties of Ce 3+ :Gd 3 Al 3 Ga 2 O 12 Translucent Ceramics Prepared by One-Step Sintering

Structural and Scintillation Properties of Ce 3+ :Gd 3 Al 3 Ga 2 O 12 Translucent Ceramics Prepared by One-Step Sintering

Cerium-doped gadolinium aluminum gallium garnet (Ce :Gd Al Ga O , Ce :GAGG) ceramic is a promising scintillation material. In this study, Ce :Gd Al Ga O scintillation ceramics were prepared by the one-step sintering of commercially available Gd O , Al O , Ga O , and CeO powders in a flowing oxygen a...

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Veröffentlicht in:Materials 2023-04, Vol.16 (9)
Hauptverfasser: You, Qi, Lin, Hui, Hong, Ruijin, Han, Zhaoxia, Zhang, Dawei, Ding, Yuchong
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Lin, Hui
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Han, Zhaoxia
Zhang, Dawei
Ding, Yuchong
description Cerium-doped gadolinium aluminum gallium garnet (Ce :Gd Al Ga O , Ce :GAGG) ceramic is a promising scintillation material. In this study, Ce :Gd Al Ga O scintillation ceramics were prepared by the one-step sintering of commercially available Gd O , Al O , Ga O , and CeO powders in a flowing oxygen atmosphere at 1600 °C by solid-phase reaction sintering. For all the Ce :Gd Al Ga O ceramic samples doped with different amounts of Ce doping, dense ceramics were obtained. The structure, photoluminescence, and scintillation properties of the Ce :Gd Al Ga O ceramics have been investigated. The average grain size of samples sintered at 1600 °C is about 2 μm. The X-ray excitation luminescence peak is around 560 nm, which is consistent with that of Ce :Gd Al Ga O single crystals, matching well with the computed tomography X-ray detector's response sensitivity. The light yield is higher compared to the standard reference sample-lutetium yttrium orthosilicate single crystal.
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title Structural and Scintillation Properties of Ce 3+ :Gd 3 Al 3 Ga 2 O 12 Translucent Ceramics Prepared by One-Step Sintering
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