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Engineering of YAG:Ce to improve its scintillation properties
- 1.0559992 - FZÚ 2023 RIV NL eng J - Journal Article
Zapadlík, Ondřej - Nikl, Martin - Polák, J. - Průša, Petr - Linhart, V.
Engineering of YAG:Ce to improve its scintillation properties.
Optical Materials: X. Roč. 15, Aug (2022), č. článku 100165. ISSN 2590-1478
R&D Projects: GA TA ČR(CZ) FW01010218
Institutional support: RVO:68378271
Keywords : YAG:Ce * scintillator single * crystal * Mg2+ * scintillation decay
OECD category: Ceramics
Method of publishing: Open access
In this work we study the technological limits in the industrial scale growth of YAG:Ce by the Czochralski method in hydrogen-reducing atmosphere to speed-up its scintillation response using heavy codoping by magnesium. We present correlated experiments to characterize luminescence and scintillation properties focusing on light yield, scintillation decay incl. its rise time, and afterglow, and their dependence on magnesium content in the crystals. We show that an optimum amount of magnesium in combination with thermal treatment significantly improve the light yield, decrease afterglow and accelerate scintillation decay and its rise time.
Permanent Link: https://hdl.handle.net/11104/0333096
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Number of the records: 1