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Radiation synthesis and luminescent properties of Y3AlxGa5-xO12 : Ce ceramics
Lisitsyn V.M
1, Grechkina T.V.
1, Tulegenova A.T.
2
1Tomsk Polytechnic University, Tomsk, Russia
2Al Farabi Kazakh National University, Almaty, Kazakhstan
2Al Farabi Kazakh National University, Almaty, Kazakhstan
Email: lisitsyn@tpu.ru, greta_tv@tpu.ru, tulegenova.aida@gmail.com
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.
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