The luminescence of Er3+ ions in silica glasses synthesized by the direct sol–gel–glass transition method and by melting of activated gel grit using various precursors of optical centers was studied. The formation of complex centers including erbium, aluminum, and alkali metal ions was found to be one way of essentially increasing the half-width of the 4I13/2 → 4I15/2 luminescence band of these ions.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 90, No. 5, pp. 684–688, September-October, 2023.
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Malashkevich, G.E., Kouhar, V.V., Varapay, N.V. et al. Of Silica Gel-Glasses on the 4I13/2 → 4I15/2 Luminescence Bandwidth of Er3+ Ions. J Appl Spectrosc 90, 977–981 (2023). https://doi.org/10.1007/s10812-023-01621-8
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DOI: https://doi.org/10.1007/s10812-023-01621-8