Abstract
X-ray luminescence spectra of Li2B4O7:Er glasses have been investigated in the range of 200–800 nm. It is shown that all identified peaks in the dependence I XRL = f(λ) are due to parity-forbidden intra-configuration radiative transitions within the 4f configuration of Er3+ ion from excited fine-structure levels of higher lying multiplets to the ground-term level 4 I 15/2.
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Original Russian Text © P.S. Danilyuk, P.P. Puga, A.I. Gomonai, V.N. Krasilinets, P.N. Volovich, V.M. Rizak, 2015, published in Optika i Spektroskopiya, 2015, Vol. 118, No. 6, pp. 956–961.
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Danilyuk, P.S., Puga, P.P., Gomonai, A.I. et al. X-ray luminescence and spectroscopic characteristics of Er3+ ions in a glassy lithium tetraborate matrix. Opt. Spectrosc. 118, 924–929 (2015). https://doi.org/10.1134/S0030400X15060089
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DOI: https://doi.org/10.1134/S0030400X15060089