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Ionic conduction in glasses in the MnNbOF5-BaF2-BiF3 system |
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| Authors: | S. A. Polyshchuk L. N. Ignat’eva S. L. Sinebryukhov S. V. Gnedenkov A. B. Podgorbunsky N. N. Savchenko A. B. Slobodyuk V. M. Bouznik |
| Affiliation: | 1205. Institute of Chemistry, Far East Branch, Russian Academy of Sciences, pr. 100-letiya Vladivostoka 159, Vladivostok, 690022, Russia 2205. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr. 49, Moscow, 119991, Russia |
| Abstract: | The electrical conductivity of oxyfluoride glasses in the MnNbOF5-BaF2-BiF3 system in the temperature range 299–550 K was studied by impedance spectroscopy. It was shown that the conductivity is mainly caused by fluoride ions forming fluorobismuth polyhedra in the glass structure, being as high as 7.46 × 10?3 S/cm (533 K) in the 20MnNbOF5-30BaF2-50BiF3 system reaches, which is at the level of the best values for fluoride glasses. |
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