Luminescent properties of Eu³⁺ doped layered perovskite-like polycrystalline powders of the BaLa₂₋ₓEuₓTi₃O₁₀ (x = 0-2) titanate compounds

• Дата: 2012
• Автори: Nedilko, S., Nedielko, I., Scherbatskii, V., Titov, Yu., Virko, S., Boyko, V., Sheludko, V.
• Формат: Стаття
• Мова: English
• Опубліковано: НТК «Інститут монокристалів» НАН України 2012
• Назва видання: Functional Materials
• Теми: Characterization and properties
• Онлайн доступ: http://dspace.nbuv.gov.ua/handle/123456789/135300
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Цитувати: Luminescent properties of Eu³⁺ doped layered perovskite-like polycrystalline powders of the BaLa₂₋ₓEuₓTi₃O₁₀ (x = 0-2) titanate compounds / S. Nedilko, I. Nedielko, V. Scherbatskii, Yu. Titov, S. Virko, V. Boyko, V. Sheludko // Functional Materials. — 2012. — Т. 19, № 2. — С. 197-201. — Бібліогр.: 9 назв. — англ.

The photoluminescent properties of concentration set of barium and lanthanum titanium compounds doped with europium ions, BaLa₂₋ₓEuₓTi₃O₁₀, where x = 0-2, were investigated. It was found that the luminescence of mentioned materials is caused by ⁵D₀ —> ⁷Fj (J = 0, 1, 2, 3 and 4) radiation transitions in luminescence centers formed by Eu³⁺ ions. Two types of luminescence centers which differ by symmetry of neighborhood of Eu³⁺ ions were found in luminescent emission. It was shown that luminescent characteristics of Eu³⁺ ions are in close relation with their content in BaLa₂₋ₓEuₓTi₃O₁₀ compounds that can be caused by both changing their crystal structure and phase composition when the ratio of La³⁺ and Eu³⁺ ions is changed.