Figure 4

Arrhenius plot for the grain and grain-boundary resistivities from (a) as-sintered and (b) reduced BNT. The red lines are the linear fit of each set of data using Eq. (4).

Arrhenius plot for the grain and grain-boundary resistivities from (a) as-sintered and (b) reduced BNT. The red lines are the linear fit of each set of data using Eq. (4).