Figure 3From: Electrical properties of lead-free 0.98(Na0.5K0.5)NbO3-0.02Ba(Zr0.52Ti0.48)O3 piezoelectric ceramics by optimizing sintering temperatureSEM images of 0.98NKN-0.02BZT ceramics. (a) 1,080°C, (b) 1,090°C, (c) 1,100°C, (d) 1,110°C, and (e) 1,120°C.Back to article page