New High Light Yield and Fast Ceramic Scintillator Y<sub>3</sub>Al<sub>2.5</sub>Ga<sub>2.5</sub>O<sub>12</sub>:Ce, Mg

New High Light Yield and Fast Ceramic Scintillator Y<sub>3</sub>Al<sub>2.5</sub>Ga<sub>2.5</sub>O<sub>12</sub>:Ce, Mg

New scintillation transparent ceramics Y<sub>3</sub>Al<sub>2.5</sub>Ga<sub>2.5</sub>O<sub>12</sub>:Ce, Mg has been produced and evaluated for the first time. The material possesses a density of 5.17 g/cm<sup>3</sup>, a highlight yield of 44...

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Bibliographic Details
Main Authors: Valentina Smyslova, Aliaksei Bondarau, Andrei Fedorov, Elizaveta Borisevich, Ilya Lagutskiy, Petr Karpuyk, Ilia Komendo, Vladimir Kalinov, Vitaly Mechinsky, Vasilii Retivov, Yauheni Talochko, Andrei Vasil’ev, Mikhail Korzhik
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Photonics
Subjects:
scintillator
garnet structure
ceramics
light yield
scintillation kinetics
Online Access:https://www.mdpi.com/2304-6732/12/7/680
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Summary:New scintillation transparent ceramics Y<sub>3</sub>Al<sub>2.5</sub>Ga<sub>2.5</sub>O<sub>12</sub>:Ce, Mg has been produced and evaluated for the first time. The material possesses a density of 5.17 g/cm<sup>3</sup>, a highlight yield of 44,000 ph/MeV, and an effective scintillation kinetics decay constant of 47 ns. This unique combination of the parameters makes it superior to YAG:Ce. Production of the material does not include tooling from precious materials, and the rate of the crystalline mass production is not limited by the pulling rate of the crystal growth process. It can be quite prospective to upgrade the detection units of a variety of X-ray imaging devices. The mechanism of the scintillation light yield enhancement and kinetics shortening in the material are discussed as well.
ISSN:2304-6732

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