The Optimization of Radiation Synthesis Modes for YAG:Ce Ceramics
Lisitsyn V. Mussakhanov D. Tulegenova A. Kaneva E. Lisitsyna L. Golkovski M. Zhunusbekov A.
April 2023MDPI
Materials
2023#16Issue 8
Synthesis in the radiation field is a promising direction for the development of materials transformation processes, especially those differing in melting temperature. It has been established that the synthesis of yttrium–aluminum ceramics from yttrium oxides and aluminum metals in the region of a powerful high-energy electron flux is realized in 1 s, without any manifestations that facilitate synthesis, with high productivity. It is assumed that the high rate and efficiency of synthesis are due to processes that are realized with the formation of radicals, short-lived defects formed during the decay of electronic excitations. This article presents descriptions of the energy-transferring processes of an electron stream with energies of 1.4, 2.0, and 2.5 MeV to the initial radiation (mixture) for the production of YAG:Ce ceramics. YAG:Ce (Y3Al5O12:Ce) ceramics samples in the field of electron flux of different energies and power densities were synthesized. The results of a study of the dependence of the morphology, crystal structure, and luminescence properties of the resulting ceramics on the synthesis modes, electron energy, and electron flux power are presented.
energy loss , high-power electron flux , luminescence , structure , synthesis , YAG:Ce ceramics
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Department of Materials Science, Engineering School, National Research Tomsk Polytechnic University, 30, Lenin Avenue, Tomsk, 634050, Russian Federation
Department of Radio Engineering, Electronics and Telecommunications, Eurasian National University L.N. Gumilyov, 2, Satpaev Str, Astana, 010008, Kazakhstan
Department of Solid State and Nonlinear Physics, Al-Farabi Kazakh National University, 71, Al-Farabi Ave, Almaty, 050040, Kazakhstan
X-ray Analysis Laboratory, Vinogradov Institute of Geochemistry SB RAS, 1A, Favorsky Str, Irkutsk, 664033, Russian Federation
Department of Physics, Chemistry and Theoretical Mechanics, Tomsk State University of Architecture and Building, 2, Solyanaya Sq, Tomsk, 634003, Russian Federation
Budker Institute of Nuclear Physics, SB RAS, 11, Lavrentiev Ave, Novosibirsk, 630090, Russian Federation
Department of Technical Physics, Eurasian National University L.N. Gumilyov, 2, Satpaev Str, Astana, 010008, Kazakhstan
Department of Materials Science
Department of Radio Engineering
Department of Solid State and Nonlinear Physics
X-ray Analysis Laboratory
Department of Physics
Budker Institute of Nuclear Physics
Department of Technical Physics
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