Effect of vacuum sintering conditions on the properties of Y3Al5O12 : Ce luminescent ceramics
L. V. Tarala,
A. A. Kravtsov,
O. M. Chapura,
V. A. Tarala,
D. S. Vakalov,
F. F. Malyavin,
S. V. Kuznetsov,
V. A. Lapin,
L. V. Kozhitov,
A. V. Popkova https://doi.org/10.17073/1609-3577-2022-4-312-322
EDN: QQPCIJ
Abstract
The aim of this work was to study the effect of vacuum sintering conditions and cerium concentration on the optical, luminescent and thermal properties of yttrium-aluminum garnet based ceramics doped with Се3+ cations. Series of ceramic powders were synthesized and samples of luminescent ceramics having the composition Y3-хСехAl5O12 were synthesized where x was in the range 0.01 to 0.025 f.u. We show that the phase composition and grain size distribution of the ceramic powders do not depend on cerium concentration. Without sintering additives, an increase in vacuum sintering temperature from 1675 to 1800 °C leads to an increase in the optical transmittance of luminescent ceramic specimens from 5 to 55% at a 540 nm wavelength and an increase in the thermal conductivity of the samples from 8.4 to 9.5 W/(m ∙ K). It was found that an increase in cerium concentration leads to a shift of the luminescent band peak from 535 to 545 nm where as the width of the luminescent band decreases with an increase in vacuum sintering temperature from 1675 to 1725 °C.
Keywords
Supporting agencies: This work was carried out under State Assignment No. 075-01281-22-05 of the North-Caucasus Federal University and employing facilities of the Joint Use Center of the North-Caucasus Federal University.
About the Authors
L. V. Tarala
North Caucasian Federal University
Russian Federation
Russian Federation
1 Pushkin Str., Stavropol 355017
Lyudmila V. Tarala — Researcher of the Nanopowder Synthesis Sector 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
A. A. Kravtsov
North Caucasian Federal University
Russian Federation
Russian Federation
1 Pushkin Str., Stavropol 355017
Alexander A. Kravtsov — Cand. Sci. (Eng.), Head of the Nanopowder Synthesis Sector 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
O. M. Chapura
North Caucasian Federal University
Russian Federation
Russian Federation
1 Pushkin Str., Stavropol 355017
Oleg M. Chapura — Research Engineer at the Research Laboratory of Technology of Thin Films and Nanoheterostructures of the Scientific Laboratory Complex of Clean Rooms, Faculty of Physics and Technology
V. A. Tarala
North Caucasian Federal University
Russian Federation
Russian Federation
1 Pushkin Str., Stavropol 355017
Vitaly A. Tarala — Cand. Sci. (Chem.), Head 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
D. S. Vakalov
North Caucasian Federal University
Russian Federation
Russian Federation
1 Pushkin Str., Stavropol 355017
Dmitry S. Vakalov — Cand. Sci. (Phys.-Math.), 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
F. F. Malyavin
North Caucasian Federal University
Russian Federation
Russian Federation
1 Pushkin Str., Stavropol 355017
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, Faculty of Physics and Technology
S. V. Kuznetsov
Prokhorov General Physics Institute of the Russian Academy of Sciences; Kazan Federal University
Russian Federation
Russian Federation
38 Vavilov Str., Moscow 119991;
18 Kremlyovskaya Str., Kazan 420008
Sergey V. Kuznetsov — Cand. Sci. (Chem.), Leading Researcher of Laboratory of Nanomaterials for Photonics
V. A. Lapin
North Caucasian Federal University
Russian Federation
Russian Federation
1 Pushkin Str., Stavropol 355017
Viacheslav A. Lapin — Cand. Sci (Eng.), Senior Researcher 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
L. V. Kozhitov
National University of Science and Technology MISIS
Russian Federation
Russian Federation
4-1 Leninsky Ave., Moscow 119049
Lev V. Kozhitov — Dr. Sci. (Eng.), Professor of the Department of Technology of Electronics Materials
A. V. Popkova
JSC “Research Institute NPO” LUCH”
Russian Federation
Russian Federation
24 Zheleznodorozhnaya Str., Podolsk 142103
Alena V. Popkova — Senior Researcher
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For citations:
Tarala L.V., Kravtsov A.A., Chapura O.M., Tarala V.A., Vakalov D.S., Malyavin F.F., Kuznetsov S.V., Lapin V.A., Kozhitov L.V., Popkova A.V. Effect of vacuum sintering conditions on the properties of Y3Al5O12 : Ce luminescent ceramics. Izvestiya Vysshikh Uchebnykh Zavedenii. Materialy Elektronnoi Tekhniki = Materials of Electronics Engineering. 2022;25(4):312-322. (In Russ.) https://doi.org/10.17073/1609-3577-2022-4-312-322. EDN: QQPCIJ
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