GAGG:Ce composite scintillator for X-ray imaging

The paper deals with the development of X-ray imaging composite detectors based on GAGG:Ce powders bound by the organic polysiloxane matrix. The luminescence intensity was improved through optimization of solid state reaction conditions and Ce concentration in GAGG:Ce. The deviation of light output...

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Bibliographic Details
Published in:Optical materials 2020-11, Vol.109, p.110305, Article 110305
Main Authors: Gerasymov, Ia, Nepokupnaya, T., Boyarintsev, A., Sidletskiy, O., Kurtsev, D., Voloshyna, O., Trubaieva, O., Boyarintseva, Y., Sibilieva, T., Shaposhnyk, A., Opolonin, О., Tretyak, S.
Format: Article
Language:English
Subjects:
Composite detector
GAGG:Ce
Scintillator
X-ray radiography
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Summary:The paper deals with the development of X-ray imaging composite detectors based on GAGG:Ce powders bound by the organic polysiloxane matrix. The luminescence intensity was improved through optimization of solid state reaction conditions and Ce concentration in GAGG:Ce. The deviation of light output over the detector square does not exceed ±6%. The spatial resolution of 130 μm was achieved with the optimized GAGG:Ce composite detectors. •A composite detector for X-ray imaging based on GAGG:Ce powder embedded into polysiloxane matrix is proposed.•A standard GAGG:Ce solid state synthesis procedure provides reduction of production cost.•The light output homogeneity over the detector square does not exceed ±6%.•The 130 μm spatial resolution of X-ray images is achieved.
ISSN:0925-3467
1873-1252
DOI:10.1016/j.optmat.2020.110305