THE OPTICAL PROPERTIES OF MULTILAYER PERIODIC STRUCTURES BaTiO3:Eu/SiO2
https://doi.org/10.35596/1729-7648-2019-125-7-95-100
Abstract
This paper presents the study of the optical properties of multilayer periodic structures, such as Bragg reflector, with different synthesis conditions. Transmission, reflection, luminescence, luminescence excitation spectra and kinetics of luminescence are presented for the Bragg reflectors formed on quartz with 6 and 12 alternating layers BaTiO3:Eu/SiO2. The structures demonstrate photonic band gap and its long wavelength shift with increasing number of layers. Europium luminescence with the most intensive band at 615 nm is observed from the structures. A decrease in the luminescence intensity with increasing the number of pairs of the layers in the structure is observed.
About the Authors
D. A. Parafinyuk
Belarusian State University of Informatics and Radioelectronics
Belarus
Belarus
Master student of the Microand Nanoelectronic Department
220013, Republic of Belarus, Minsk, P. Brovki st., 6
tel. +375-17-293-88-75
N. V. Gaponenko
Belarusian State University of Informatics and Radioelectronics
Belarus
Belarus
Gaponenko Nikolay Vasilyevich, D.Sci, professor, head of SRL 4.5 R&D Department
220013, Republic of Belarus, Minsk, P. Brovki st., 6
tel. +375-17-293-88-75
T. F. Raichenok
B.I.Stepanov Institute of Physics of National Academy of Science of Belarus Minsk
Belarus
Belarus
PhD, leading researcher of the Center «Photonics of Atomic and Molecular Structures»
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Review
For citations:
Parafinyuk D.A., Gaponenko N.V., Raichenok T.F. THE OPTICAL PROPERTIES OF MULTILAYER PERIODIC STRUCTURES BaTiO3:Eu/SiO2. Doklady BGUIR. 2019;(7 (125)):95-100. (In Russ.) https://doi.org/10.35596/1729-7648-2019-125-7-95-100
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