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Witkiewicz-Łukaszek, Sandra, 2024, "Scintillation Characteristics of the Single-Crystalline Film and Composite Film-Crystal Scintillators Based on the Ce3+-Doped (Lu,Gd)3(Ga,Al)5O12 Mixed Garnets under Alpha and Beta Par-ticles, and Gamma Ray Excitations", https://doi.org/10.18150/JF3XGP, RepOD, V1
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The crystals of (Lu,Gd)3(Ga,Al)5O12 multicomponent garnets with high density ρ and effective atomic number Zeff are characterized by high scintillation efficiency and a light yield value up to 50,000 ph/MeV. During recent years, single-crystalline films and composite film/crystal scintillators were developed on the basis of these multicomponent garnets. These film/crystal composites are potentially applicable for particle identification by pulse shape discrimination due to the fact that α-particles excite only the film response, γ-radiation excites only the substrate response, and β-particles excite both to some extent. Here, we present new results regarding scintillating properties of selected (Lu,Gd)3(Ga,Al)5O12:Ce single-crystalline films under excitation by alpha and beta particles and gamma ray photons. We conclude that some of studied compositions are indeed suitable for testing in the proposed application, most notably Lu1.5Gd1.5Al3Ga2O12:Ce film on the GAGG:Ce substrate, exhibiting an α-particle-excited light yield of 1790–2720 ph/MeV and significantly different decay curves excited by α- and γ-radiation.
scintillation, Ce3+-doped multicomponent garnets, alpha and beta particles, gamma ray
Jiri A. Mares, Vitalii Gorbenko, Romana Kucerkova, Petr Prusa, Alena Beitlerova, Tetiana Zorenko, Martin Pokorny, Sandra Witkiewicz-Łukaszek, Yurii Syrotych, Carmelo D’Ambrosio, Martin Nikl, Oleg Sidletskiy, Yuriy Zorenko ,,Scintillation Characteristics of the Single-Crystalline Film and Composite Film-Crystal Scintillators Based on the Ce3+-Doped (Lu,Gd)3(Ga,Al)5O12 Mixed Garnets under Alpha and Beta Particles, and Gamma Ray Excitations", Materials 2022, 15(22), 7925 https://www.mdpi.com/1996-1944/15/22/7925 doi: https://doi.org/10.3390/ma15227925
CC BY - Creative Commons Attribution 4.0
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