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DOI: 10.17586/1023-5086-2019-86-12-83-90
УДК: 666.3, 536.413, 539.26
Structural, optical, and luminescence properties of ZnO:Er ceramic
Full text «Opticheskii Zhurnal»
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Publication in Journal of Optical Technology
Горохова Е.И., Еронько С.Б., Орещенко Е.А., Родный П.А., Веневцев И.Д., Кульков А.М., Сухаржевская Е.С. Структурные, оптические и люминесцентные свойства ZnO:Er-керамики // Оптический журнал. 2019. Т. 86. № 12. С. 83–90. http://doi.org/10.17586/1023-5086-2019-86-12-83-90
Gorokhova E.I., Eronko S.B., Oreshchenko E.A., Rodniy P.A., Venevtsev I.D., Kulkov A.M., Sukharzhevskaya E.S. Structural, optical, and luminescence properties of ZnO:Er ceramic [in Russian] // Opticheskii Zhurnal. 2019. V. 86. № 12. P. 83–90. http://doi.org/10.17586/1023-5086-2019-86-12-83-90
E. I. Gorokhova, S. B. Eron’ko, E. A. Oreshchenko, P. A. Rodnyi, I. D. Venevtsev, A. M. Kul’kov, and E. S. Sukharzhevskaya, "Structural, optical, and luminescence properties of ZnO:Er ceramic," Journal of Optical Technology. 86(12), 814-819 (2019). https://doi.org/10.1364/JOT.86.000814
This paper discusses the characteristics of ZnO:Er ceramics fabricated by uniaxial hot pressing. It establishes that the introduction of 0.16–1.0 mass% erbium into the zinc oxide structure reduces the grain size of the ceramic and causes absorption bands to appear in the visible and IR regions, corresponding to interconfiguration transitions from the ground state to the excited states of the Er3+Er3+ ions, along with characteristic emission bands in the visible region. Increasing the erbium concentration causes the long-wavelength transmission limit of the ZnO:Er ceramic to shift toward shorter wavelengths by 2–3 µm relative to the undoped ceramic; this is associated with an increase of the charge-carrier concentration from 4.9×10184.9×1018 to 1.4×1019cm−31.4×1019cm−3. Moreover, as the erbium concentration is increased, the defect luminescence band becomes less intense, and the scintillation burst falls off more rapidly.
erbium-doped zinc oxide, uniaxial hot pressing, ceramics, luminescence, falloff time
Acknowledgements:The research was supported by the Russian Foundation for Basic Research (projects Nos. 19-03-00855, 18-52-76002).
OCIS codes: 160.2540, 160.4760
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