New oxyfluoroniobate glasses in CdNbOF5–BaF2–ErF3 systems
- Authors: Ignatieva L.N.1, Marchenko Y.V.1, Savchenko N.N.1, Mashchenko V.A.1, Mirochnik A.G.1
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Affiliations:
- Institute of Chemistry, FEB RAS
- Issue: No 4 (2025)
- Pages: 67-77
- Section: Advanced materials
- URL: https://journal-vniispk.ru/0869-7698/article/view/351725
- DOI: https://doi.org/10.7868/S3034530825040069
- ID: 351725
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Abstract
New glasses have been synthesized in the CdNbOF5–BaF2–хErF3(х = 0−5.0 mol. %) system. The glasses are two-phase. The ratio of amorphous phases, depending on the erbium trifluoride content in the glass, affects the thermal, crystallization, structural and optical characteristics of the glasses. When the ErF3content in the glass is 3 mol. %, rearrangements in the glass structure occur, leading to an increase in the connectivity of oxyfluoroniobate networks. Glasses in the CdNbOF5–BaF2–ErF3system are characterized by green luminescence of Er3+, corresponding to the transitions:4S3/2→4I15/2(544 nm),2Н11/2→4I15/2(551 nm). The luminescence intensity increases with an increase in the ErF3content to 2 mol. %. A further increase in the content of erbium trifluoride in the glass composition leads to a gradual decrease in the luminescence intensity, caused by concentration quenching and changes in the structure and phase composition at given dopant concentrations.
Keywords
About the authors
L. N. Ignatieva
Institute of Chemistry, FEB RAS
Email: ignatieva@ich.dvo.ru
Vladivostok, Russia
Y. V. Marchenko
Institute of Chemistry, FEB RAS
Email: gor_dvo@mail.ru
Vladivostok, Russia
N. N. Savchenko
Institute of Chemistry, FEB RAS
Email: savchenko@ich.dvo.ru
Vladivostok, Russia
V. A. Mashchenko
Institute of Chemistry, FEB RAS
Email: mashchenko@ich.dvo.ru
Vladivostok, Russia
A. G. Mirochnik
Institute of Chemistry, FEB RAS
Email: mirochnik@ich.dvo.ru
Vladivostok, Russia
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