Abstract
The electrical conductivity of fully dense bodies of polycrystalline tetragonal zirconia (TZP) in the composition range 2 to 3 mol % Y2O3 (Er2O3) was measured. Throughout this work, a.c. impedance complex plane analysis was used. From this method grain-interior and grain-boundary conductivity contributions were obtained separately. Plots of conductivity against reciprocal temperature of both contributions were evaluated. An electrode-electrolyte interphase conductivity contribution was detected and considered. The influence of impurities, and ageing behaviour was also studied. The activation, migration and association energies were estimated and discussed on the basis of up-to-date theoretical and structural information.
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Durán, P., Recio, P., Jurado, J.R. et al. Y(Er)-doped tetragonal zirconia polycrystalline solid electrolyte. J Mater Sci 24, 717–725 (1989). https://doi.org/10.1007/BF01107465
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DOI: https://doi.org/10.1007/BF01107465