Abstract
The phase transitions and ionic mobility in solid solutions (SS) with the fluorite structure ((100–х)KBiF4–x ZrF4, where х = 2.5-10 mol.%) are studied by DSC, X-ray crystallographic analysis, and 19F NMR methods. Phase transitions are determined in the solid solutions containing 10% of ZrF4. The types of ion motions in the SS fluoride sublattice and the corresponding temperature ranges (150-570 K) are determined. A high ionic conductivity in these solid solutions (~10−3-10−2 S/cm in the temperature range from 475 K to 550 K) is established, this fact not excluding the possibilities to use them for the production of materials with high ion conductive properties.
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Translated from Zhurnal Strukturnoi Khimii, Vol. 56, No. 4, pp. 698-701, July-August, 2015. Original article submitted July 14, 2014.
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Kavun, V.Y., Merkulov, E.B., Polyantsev, M.M. et al. Phase transitions and ionic mobility in solid solutions in the BiF3–KF–ZrF4 system. J Struct Chem 56, 650–653 (2015). https://doi.org/10.1134/S002247661504006X
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DOI: https://doi.org/10.1134/S002247661504006X