Zinc Stannate was prepared at 200 °C by hydrothermal method. The X-Ray diffraction data indicate the obtained compound crystallized in the Fd3m space group characteristic of a cubic spinel structure. SEM-EDX and backscattered electrons show and confirm the purity and homogeneity of the final sample. The ZTO pressed pellet, sintered at 825 °C, for 1 h, reveals a single, slightly flattened, impedance semicircle and homogeneous electrical microstructure.
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