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Photoluminescence properties of Er~(3+)-doped Ba_(0.5)Sr_(0.5)TiO_3 prepared by sol-gel synthesis

机译:溶胶-凝胶法制备掺Er〜(3+)的Ba_(0.5)Sr_(0.5)TiO_3的光致发光性能

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摘要

Er~(3+)-doped Ba_(0.5)Sr_(0.5)TiO_3 (BST) powders were prepared by using barium nitrate, strontium nitrate, tetrabutyl titanate, and ammonia via citrate-nitrate combustion process, along with the XRD, DSC/TGA, and SEM analytic reports. The Er~(3+) luminescence intensity reached a maximum value in the sample with 3 mol% Er~(3+) ions concentration sintered at temperature 1300℃. We also showed that 1 mol% Er dopant improved the dielectric property of BST and the BST:Er materials may have potential use for electroluminescence devices.
机译:硝酸钡,硝酸锶,钛酸四丁酯和氨水通过硝酸硝酸盐燃烧工艺,X射线衍射,DSC / X射线衍射法制备了掺Er〜(3+)的Ba_(0.5)Sr_(0.5)TiO_3(BST)粉末。 TGA和SEM分析报告。在1300℃的温度下烧结3mol%的Er〜(3+)离子,样品中的Er〜(3+)发光强度达到最大值。我们还表明,1摩尔%的Er掺杂剂可改善BST的介电性能,并且BST:Er材料可能具有电致发光器件的潜在用途。

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