Ionic conduction in glasses in the MnNbOF5-BaF2-BiF3 system

The electrical conductivity of oxyfluoride glasses in the MnNbOF 5 -BaF 2 -BiF 3 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...

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Published inRussian journal of inorganic chemistry Vol. 58; no. 4; pp. 387 - 391
Main Authors Polyshchuk, S. A., Ignat’eva, L. N., Sinebryukhov, S. L., Gnedenkov, S. V., Podgorbunsky, A. B., Savchenko, N. N., Slobodyuk, A. B., Bouznik, V. M.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.04.2013
Subjects
Chemistry
Chemistry and Materials Science
Conductivity
Electrical resistivity
Fluorides
Forming
Glass
Inorganic Chemistry
Oxyfluorides
Polyhedrons
Resistivity
Synthesis and Properties of Inorganic Compounds
Fluoride Glass
Glass Network
Oxyfluoride Glass
Fluoride Sublattice
Bismuth Trifluoride
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Summary:The electrical conductivity of oxyfluoride glasses in the MnNbOF 5 -BaF 2 -BiF 3 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 20MnNbOF 5 -30BaF 2 -50BiF 3 system reaches, which is at the level of the best values for fluoride glasses.
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ISSN:0036-0236
1531-8613
DOI:10.1134/S003602361304013X