Kinetic Properties: From the Nyquest plots, similar to those shown in Figure 3, we can determine the bulk and grain boundary conductivity of the YSZ samples. The conductivity values obtained from various samples are consistent with those reported in the literature, as shown in Figure 4, including the conductivity data reported by Badwal (4) on 10 mol% YSZ polycrystalline samples (of 92% theoretical density). Our conductivity values are slightly higher than Badwal's, possibly due to either a higher density or variations in the aspect ratio.

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