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Effect of vacuum sintering conditions on the properties of Y3Al5O12 : Ce luminescent ceramics

1 North Caucasian Federal University, 1 Pushkin Str., Stavropol 355017, Russian Federation
2 Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov Str., Moscow 119991, Russian Federation
3 Kazan Federal University, 18 Kremlyovskaya Str., Kazan 420008, Russian Federation
4 National University of Science and Technology MISiS, 4-1 Leninsky Ave., Moscow 119049, Russian Federation
5 JSC “Research Institute NPO” LUCH”, 24 Zheleznodorozhnaya Str., Podolsk 142103, Russian Federation
Published 20 October 2022
Communication , Volume 8, Issue 3, 123-130
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Tarala L. V. et al. Effect of vacuum sintering conditions on the properties of Y3Al5O12 : Ce luminescent ceramics // Modern Electronic Materials. 2022. Vol. 8. No. 3. pp. 123-130.
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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 // Modern Electronic Materials. 2022. Vol. 8. No. 3. pp. 123-130.
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TY - JOUR
DO - 10.3897/j.moem.8.3.98706
UR - https://moem.colab.ws/publications/10.3897/j.moem.8.3.98706
TI - Effect of vacuum sintering conditions on the properties of Y3Al5O12 : Ce luminescent ceramics
T2 - Modern Electronic Materials
AU - Tarala, Lyudmila V.
AU - Kravtsov, Alexander A.
AU - Chapura, Oleg M.
AU - Tarala, Vitaly A.
AU - Vakalov, Dmitry S.
AU - Malyavin, Fedor F.
AU - Kuznetsov, Sergey V.
AU - Lapin, Viacheslav A.
AU - Kozhitov, Lev V.
AU - Popkova, Alena V.
PY - 2022
DA - 2022/10/20
PB - НИТУ МИСИС
SP - 123-130
IS - 3
VL - 8
ER -
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@article{2022_Tarala,
author = {Lyudmila V. Tarala and Alexander A. Kravtsov and Oleg M. Chapura and Vitaly A. Tarala and Dmitry S. Vakalov and Fedor F. Malyavin and Sergey V. Kuznetsov and Viacheslav A. Lapin and Lev V. Kozhitov and Alena V. Popkova},
title = {Effect of vacuum sintering conditions on the properties of Y3Al5O12 : Ce luminescent ceramics},
journal = {Modern Electronic Materials},
year = {2022},
volume = {8},
publisher = {НИТУ МИСИС},
month = {Oct},
url = {https://moem.colab.ws/publications/10.3897/j.moem.8.3.98706},
number = {3},
pages = {123--130},
doi = {10.3897/j.moem.8.3.98706}
}
MLA
Cite this
MLA
Tarala, Lyudmila V., et al. “Effect of vacuum sintering conditions on the properties of Y3Al5O12 : Ce luminescent ceramics.” Modern Electronic Materials, vol. 8, no. 3, Oct. 2022, pp. 123-130. https://moem.colab.ws/publications/10.3897/j.moem.8.3.98706.
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Keywords

activator concentration
ceramics vacuum sintering
luminescence
Optical properties
YAG : Ce

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.

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