Radiation synthesis and luminescent properties of Y-=SUB=-3-=/SUB=-Al-=SUB=-x-=/SUB=-Ga-=SUB=-5-x-=/SUB=-O-=SUB=-12-=/SUB=- : Ce ceramics

В. М. Лисицын, T. V. Grechkina, Аида Тулегенкызы Тулегенова

2023

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DOI 10.21883/pss.2023.02.55403.366

Data confidence 70 medium

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Abstract

Y3AlxGa5-xO12 : Ce ceramics with an Al/Ga ratio from 5/0 to 0/5 was synthesized for the first time by direct impact of a powerful electron beam with an energy of 1.4 MeV on a charge of stoichiometric composition. The study results of dependence of the spectral properties and the conversion efficiency the excitation energy into luminescence on the ceramic composition are presented. A difference was found between the dependences of the efficiency of transformation of the excitation energy into luminescence on the Al/Ga ratio upon excitation of cerium ions at 450 and 337 nm. Keywords: yttrium-aluminum-gallium garnet, radiation synthesis, luminescence, spectra, transformation efficiency of excitation energy into luminescence.