X-ray Fluorescence of Eu 3+  Ions in Glassy and Polycrystalline Lithium Tetraborate

P. S. Danilyuk; P. P. Puga; V. N. Krasilinets; A. I. Gomonai; G. D. Puga; V. M. Rizak; I. I. Turok

doi:10.1134/S1087659618010066

X-ray Fluorescence of Eu³⁺ Ions in Glassy and Polycrystalline Lithium Tetraborate

Authors: Danilyuk P.S.¹, Puga P.P.², Krasilinets V.N.², Gomonai A.I.², Puga G.D.¹, Rizak V.M.¹, Turok I.I.²
Affiliations:
1. Uzhhorod National University
2. Institute of Electronic Physics
Issue: Vol 44, No 1 (2018)
Pages: 1-6
Section: Article
URL: https://journals.rcsi.science/1087-6596/article/view/216359
DOI: https://doi.org/10.1134/S1087659618010066
ID: 216359

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Abstract

The X-ray-luminescence spectra of glassy and polycrystalline lithium tetraborate Li₂B4O₇ activated by europium oxide Eu₂O₃ are studied in the spectral range of 200 to 800 nm. The luminescence observed in the wavelength region of 570 to 720 nm is caused by intraconfiguration f–f electron transitions between the levels of the first excited multiplet ⁵D and the main multiplet ⁷F of the Eu³⁺ ion.