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Sensitization of europium (Eu³⁺) ions by terbium (Tb³⁺) in ceramics based on yttrium stabilized cubic zirconium dioxide

Russian version

DOI: 10.21883/EOS.2022.10.54870.3655-22

Shakirova A. A.¹, Gusev G. A. ¹, Dementeva E. V.¹, Averin A. A. ², Popova T. B.¹, Zamoryanskaya M. V.¹

¹Ioffe Institute, St. Petersburg, Russia
²Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, Russia

Email: azaliya.s@inbox.ru

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Abstract
References
Статистика просмотров

In this work, stabilized f-ZrO₂ ceramic samples with the compositions of (Zr_0.82Y_0.09Eu_0.09)O_1.91, (Zr_0.82Y_0.09Tb_0.09)O_1.91 and (Zr_0.82Y_0.09Eu_0.045Tb_0.045)O_1.91 were studied. The elemental composition was studied by electron probe microanalysis, and the luminescent properties were studied by local cathodoluminescence (CL). An analysis of the Eu³⁺ CL spectra confirmed the stabilization of the cubic phase in ceramics at room temperature. The study of the obtained CL spectra, the ⁵D₄-⁷F₅Tb³⁺ band luminescence decay kinetics, CL images and excitation spectra showed europium sensitization by terbium in (Zr_0.82Y_0.09Eu_0.045Tb_0.045)O_1.91. Keywords: f-ZrO₂, Eu³⁺, Tb³⁺, Ceramics, Sensitization, Cathodoluminescence

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