The Scientific World Journal / 2014 / Article / Fig 3

Research Article

Optimization of Bi2O3, TiO2, and Sb2O3 Doped ZnO-Based Low-Voltage Varistor Ceramic to Maximize Nonlinear Electrical Properties

Figure 3

Three-dimensional surfaces plot: (a) effects of Bi2O3 and TiO2 on the alpha (Sb2O3 = 0.29 mol%); (b) effects of Bi2O3 and Sb2O3 on the alpha (TiO2 = 0.4 mol%); (c) effects of TiO2 and Sb2O3 on the alpha (Bi2O3 = 0.44 mol%).

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