Abstract
The anionic conductivity parameters are determined for R1 − y Sr y F3 − y (R = Ce, Pr, Gd), Zr0.88Y0.12O1.94 single crystals and Zr0.88Y0.12O1.94|M0.88Y0.12O1.94 (M = Zr, Hf) bicrystals using an ac (5 Hz to 100 kHz) four-electrode method. The obtained conductometric data are compared with the results of studying these crystals using a two-electrode method. It is shown that physical parameters of R1 − y Sr y F3 − y fluoride crystals with the tysonite (LaF3) structure are stable at heating in air up to the temperatures of 200–300°C, which is important for their practical application.
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Original Russian Text © N.I. Sorokin, B.P. Sobolev, 2008, published in Elektrokhimiya, 2008, Vol. 44, No. 9, pp. 1111–1115.
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Sorokin, N.I., Sobolev, B.P. Study of anionic conductors R1 − y Sr y F3 − y (R = Ce, Pr, Gd) and M1 − x Y x O2 − x/2 (M = Zr, Hf) using four-electrode method. Russ J Electrochem 44, 1031–1035 (2008). https://doi.org/10.1134/S1023193508090073
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DOI: https://doi.org/10.1134/S1023193508090073