Abstract
Single-phase sintered ceramic materials (ZrO2)1−x {(Y2O3) y (RE2O3)1-y x }x (RE=Nd, Ce, Dy, Er), were synthesized and electrical conductivity and transport number measurements were made as a function of temperature between 500 and 1200° C. The activation energies of conduction were determined, and it was found that the charge carriers in these solid solutions are oxygen ions. The fabricated electrolyte discs were used in cells of the type\(P_{O_2 }\), Pt/zirconia solid solution/\(P_{\mathop O\limits^{'} _2 }\), platinum where\(P_{O_2 }\)=air (0.21 atm) and\(P_{\mathop O\limits^{'} _2 }\)=1 atm or argon-O2 mixtures. Below 700° C, the e.m.f. deviated from the theoretical values for completely ionic conduction; good agreement was observed above this temperature.
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This work is based on the PhD thesis of C. Pascual, Madrid University (1980).
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Pascual, C., Jurado, J.R. & Duran, P. Electrical behaviour of doped-yttria stabilized zirconia ceramic materials. J Mater Sci 18, 1315–1322 (1983). https://doi.org/10.1007/BF01111948
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DOI: https://doi.org/10.1007/BF01111948