Abstract
An optical quality silica glass doped with Er3+, Yb3+ and Lu3+ ions is synthesized by the sol-gel method. Virtually unavoidable clusterization of rare-earth elements that occurs upon introduction of lanthanide salts into a sol-gel system and leads to concentration quenching of luminescence of the glass is eliminated through the use of rare-earth phosphate complexes that are chemically bound to the SiO2 network. This makes it possible to obtain a nearly molecular distribution of rare-earth elements in the glass matrix.
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Original Russian Text © N.N. Khimich, G.M. Berdichevskii, E.N. Poddenezhnyi, V.V. Golubkov, A.A. Boiko, V.M. Ken’ko, O.B. Evreinov, L.A. Koptelova, 2007, published in Fizika i Khimiya Stekla.
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Khimich, N.N., Berdichevskii, G.M., Poddenezhnyi, E.N. et al. Sol-Gel synthesis of an optical silica glass doped with rare-earth elements. Glass Phys Chem 33, 152–155 (2007). https://doi.org/10.1134/S1087659607020095
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DOI: https://doi.org/10.1134/S1087659607020095