X-ray luminescence of Sr0.925–xBaxEu0.075F2.075 nanopowders

Yulia A. Ermakova; Pavel P. Fedorov; Valery V. Voronov; Sergey Kh. Batygov; Sergey V. Kuznetsov

doi:10.17308/kcmf.2024.26/11937

Yulia A. Ermakova Prokhorov General Physics Institute of the Russian Academy of Sciences, 38, Vavilova str., Moscow 119991, Russian Federation https://orcid.org/0000-0002-9567-079X
Pavel P. Fedorov Prokhorov General Physics Institute of the Russian Academy of Sciences, 38, Vavilova str., Moscow 119991, Russian Federation https://orcid.org/0000-0002-2918-3926
Valery V. Voronov Prokhorov General Physics Institute of the Russian Academy of Sciences, 38, Vavilova str., Moscow 119991, Russian Federation https://orcid.org/0000-0001-5029-8560
Sergey Kh. Batygov Prokhorov General Physics Institute of the Russian Academy of Sciences, 38, Vavilova str., Moscow 119991, Russian Federation https://orcid.org/0000-0001-9862-0504
Sergey V. Kuznetsov Prokhorov General Physics Institute of the Russian Academy of Sciences, 38, Vavilova str., Moscow 119991, Russian Federation https://orcid.org/0000-0002-7669-1106

DOI: https://doi.org/10.17308/kcmf.2024.26/11937

Keywords: Strontium fluoride, Barium fluoride, Europium, X-ray luminescence

Abstract

We synthesized powders of single-phase solid solutions Sr_0.925–xBa_xEu_0.075F_2.075 (x = 0.00, 0.20, 0.25, 0.30, 0.35 and 0.40) by a precipitation technique from nitrate aqueous solutions. The lattice parameters increase linearly as the barium content increases. We recorded a significant increase in the X-ray luminescence intensity of europium at increasing barium content. Upon increasing barium content, the intensity of the luminescence of strong ⁵D₀ → ⁷F₁ band increases exponentially, and we observed blue and red shifts in the position of the europium luminescence bands for ⁵D₀ → ⁷F₁ and ⁵D₀ → ⁷F₄, respectively

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Author Biographies

Yulia A. Ermakova, Prokhorov General Physics Institute of the Russian Academy of Sciences, 38, Vavilova str., Moscow 119991, Russian Federation

Junior Researcher at the Prokhorov General Physics Institute of the Russian Academy of Sciences (Moscow, Russian Federation)

Pavel P. Fedorov, Prokhorov General Physics Institute of the Russian Academy of Sciences, 38, Vavilova str., Moscow 119991, Russian Federation

Dr. Sci. (Chem.), Full Professor, Chief Researcher at the Prokhorov General Physics Institute of the Russian Academy of Sciences (Moscow, Russian Federation)

Valery V. Voronov, Prokhorov General Physics Institute of the Russian Academy of Sciences, 38, Vavilova str., Moscow 119991, Russian Federation

Cand. Sci. (Phys.–Math.), Leading Researcher at the Prokhorov General Physics Institute of the Russian Academy of Science (Moscow, Russian Federation)

Sergey Kh. Batygov, Prokhorov General Physics Institute of the Russian Academy of Sciences, 38, Vavilova str., Moscow 119991, Russian Federation

Cand. Sci. (Phys.–Math.), Leading Researcher at the Prokhorov General Physics Institute of the Russian Academy of Science (Moscow, Russian Federation)

Sergey V. Kuznetsov, Prokhorov General Physics Institute of the Russian Academy of Sciences, 38, Vavilova str., Moscow 119991, Russian Federation

Cand. Sci. (Chem.), Head of the Laboratory at the Prokhorov General Physics Institute of the Russian Academy of Science (Moscow, Russian Federation)

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X-ray luminescence of Sr0.925–xBaxEu0.075F2.075 nanopowders

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