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Synthesis, Ion Mobility, and Superionic Conductivity of (1 − x)PbF2xMF n (M = Li, Na, K, Rb, Cs, Zr) Solid Solutions

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Abstract

Ionic motion and conduction in (1 − x)PbF2xZrF4 and (1 − x)PbF2xMF (M = alkali-metal cation) solid solutions are studied by 19F and 207Pb NMR and impedance spectroscopy. The factors determining ionic motion in the solid solutions and their structure and energetics in the range 170–550 K are analyzed. The ionic conductivity of (1 − x)PbF2xZrF4 with x ≤ 0.4 and 0.93PbF2 ⋅ 0.07MF is shown to be 10−4 to 10−2 S/cm at temperatures above 425 K, which places these materials among superionics.

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Translated from Neorganicheskie Materialy, Vol. 41, No. 11, 2005, pp. 1388–1396.

Original Russian Text Copyright © 2005 by Kavun, Slobodyuk, Tararako, Mikhteeva, Goncharuk, Uvarov, Sergienko.

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Kavun, V.Y., Slobodyuk, A.B., Tararako, E.A. et al. Synthesis, Ion Mobility, and Superionic Conductivity of (1 − x)PbF2xMF n (M = Li, Na, K, Rb, Cs, Zr) Solid Solutions. Inorg Mater 41, 1228–1235 (2005). https://doi.org/10.1007/s10789-005-0292-9

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  • DOI: https://doi.org/10.1007/s10789-005-0292-9

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