In this work, the effect of sintering additives based on magnesium oxide (MgO) and silicon oxide (TEOS) in concentrations from 0.02 to 0.10 wt. % and 0.2 to 0.5 wt. %, respectively, was investigated on the microstructure and optical properties of ceramics of the composition Y2,82Yb0,15Er0,03Al5O12, made from powders synthesized by chemical co-deposition.
The results presented in the paper showed that the introduction of a sintering additive based on MgO into a ceramic powder does not affect its phase composition, structural and morphological characteristics. It is shown that for ceramics of the composition Y2,82Yb0,15Er0,03Al5O12, the best value of the optical transmission coefficient was achieved at a vacuum sintering temperature of 1800 °C and a concentration of sintering additives of 0.06 wt. % MgO and 0.3 wt. % TEOS.
It is shown that the sintering mechanism of ceramics Y2,82Yb0,15Er0,03Al5O12 depends on the ratio of sintering additives MgO and TEOS.
Dmitry S. Vakalov – Candidate of Physical and Mathematical Sciences, Head of the Sector of Physical and Chemical Methods of Research and Analysis of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology, North-Caucasus Federal University (NCFU), Stavropol, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Irina S. Chikulina – Head of the Research Laboratory of Ceramics and Technochemistry of the Scientific Laboratory Complex of Clean Zones of the Faculty of Physics and Technology, North-Caucasus Federal University (NCFU), Stavropol, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Stanislav N. Kichuk – Leading Engineer of the Research Laboratory of Ceramics and Technochemistry of the Scientific Laboratory Complex of Clean Zones of the Faculty of Physics and Technology, North-Caucasus Federal University (NCFU), Stavropol, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Dmitry P. Bedrakov – Engineer of the Scientific Laboratory Complex of Clean Zones of the Faculty of Physics and Technology, North-Caucasus Federal University (NCFU), Stavropol, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Fedor F. Malyavin – Head of Ceramics Sintering Sector of the Research Laboratory of Technology of Advanced Materials and Laser Media of the Scientific Laboratory Complex of Clean Rooms of Physics and Technology, North-Caucasus Federal University (NCFU), Stavropol, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Lev V. Kozhitov – Doctor of Technical Sciences, Professor of the Department of Technology of Electronics Materials, National Research Technological University “MISiS”, Moscow, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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