Synthesis and Ion Mobility in Glasses of ZrF4–BiF3–Rb(Cs)F Fluoride Systems

A new procedure has been suggested for the synthesis of bismuth fluorozirconate glasses in the ZrF 4 –BiF 3 –MF systems (M = Rb, Cs), which is based on the use of the relatively moisture-resistant Rb 2 ZrF 6 and Cs 2 ZrF 6 fluorides rather than extremely hygroscopic rubidium and cesium fluorides. Th...

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Bibliographic Details
Published inRussian journal of inorganic chemistry Vol. 63; no. 2; pp. 149 - 156
Main Authors Kavun, V. Ya, Slobodyuk, A. B., Merkulov, E. B., Polyantsev, M. M., Goncharuk, V. K.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.02.2018
Springer Nature B.V
Subjects
Bismuth
Cesium
Cesium fluorides
Chemical synthesis
Chemistry
Chemistry and Materials Science
Fluorides
Inorganic Chemistry
Ion currents
Ionic mobility
Ions
Moisture resistance
Rubidium
Synthesis and Properties of Inorganic Compounds
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Summary:A new procedure has been suggested for the synthesis of bismuth fluorozirconate glasses in the ZrF 4 –BiF 3 –MF systems (M = Rb, Cs), which is based on the use of the relatively moisture-resistant Rb 2 ZrF 6 and Cs 2 ZrF 6 fluorides rather than extremely hygroscopic rubidium and cesium fluorides. The types of ion motions, trends in ion mobility dynamics, and factors determining this dynamics as a function of the glass composition have been elucidated. A rather high ionic conductivity of glasses above 470 K, σ ≥ 10 –4 S/cm, makes them promising candidates for use in design of functional materials.
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023618020080