Figure 3

FESEM micrographs from fracture surface of BaZr1-xHoxO3-δ ceramics for (a) x = 0.05, (b) 0.10, (c) 0.15, and (d) 0.20 sintered at 1600 °C for 8 h in air, respectively.
FESEM micrographs from fracture surface of BaZr1-xHoxO3-δ ceramics for (a) x = 0.05, (b) 0.10, (c) 0.15, and (d) 0.20 sintered at 1600 °C for 8 h in air, respectively.