Scintillation and Luminescent Properties of the (Gd,Y)3Al2Ga3O12:Ce Ceramics Obtained by Compaction of Green Bodies Using Digital Light Processing 3D Printing

Author:

Ermakova Lydia V.1ORCID,Smyslova Valentina G.1ORCID,Dubov Valery V.1ORCID,Karpyuk Petr V.1ORCID,Sokolov Petr S.1ORCID,Komendo Ilia Yu.1ORCID,Bondarau Aliaksei G.2,Mechinsky Vitaly A.12,Korzhik Mikhail V.12

Affiliation:

1. National Research Center “Kurchatov Institute”, 123098 Moscow, Russia

2. Institute for Nuclear Problems, Belarusian State University, 220030 Minsk, Belarus

Abstract

Dense and transparent ceramic samples of a (Gd,Y)3Al2Ga3O12:Ce scintillator were obtained by using stereolithography-based Digital Light Processing (DLP) 3D printing for compacting, subsequent burnout, and pressureless sintering. The effects of stoichiometric deviations and green body compaction methods (uniaxial pressing versus DLP 3D printing) on the optical, luminescent, and scintillation properties of ceramics were analyzed. An excess of Y and Gd in the composition led to an increase in transmittance and to the acceleration of the scintillation kinetics. Moreover, transparent ceramics made of 3D-printed green bodies were found to be superior in light yield to the samples, which were prepared from the same powders and densified by uniaxial pressing.

Funder

Russian Science Foundation

Publisher

MDPI AG

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