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In this work, thermal and luminescent properties of lithium-borate glass and glass-ceramics co-doped with Eu3+/Dy3+ and Eu3+/Tb3+ ions have been investigated. The parent borate glasses were synthesized by the standard melt-quenching method. The amount of crystallites grown in the glass was controlled by the appropriate choice of annealing time and temperature. Stronger luminescence has been observed for glass-ceramics than for glass in each case. Zinc lithium borate (LiBZnF) glass-ceramics co-doped with 0.25Eu and 0.5Tb had the strongest luminescence under 388 nm laser excitation. The energy transfer mechanisms between Tb3+ and Eu3+ ions and Dy3+ and Eu3+ ions were discussed. Also, the influence of the molar ratio of active ions on the colour coordinates (CIE-1931) have been investigated.
Karolina Sadowska,Ewa Kumpialowska,Magdalena Lesniak, andJacek Zmojda
"Investigation of luminescent properties of LiBZnF glass-ceramic co-doped with Eu3+/Dy3+ and Eu3+/Tb3+ ions", Proc. SPIE 12040, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2021, 1204002 (3 November 2021); https://doi.org/10.1117/12.2606236
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Karolina Sadowska, Ewa Kumpialowska, Magdalena Lesniak, Jacek Zmojda, "Investigation of luminescent properties of LiBZnF glass-ceramic co-doped with Eu3+/Dy3+ and Eu3+/Tb3+ ions," Proc. SPIE 12040, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2021, 1204002 (3 November 2021); https://doi.org/10.1117/12.2606236