Figure 7

SEM microstructure images of Y2O3-YAM nanocomposite with 50:50 vol% after plasma etching under different CF4:Ar:O2 gas ratios of: (a) 40:10:10, (b) 30:20:10, (c) 20:30:10, and (d) 10:40:10.

SEM microstructure images of Y2O3-YAM nanocomposite with 50:50 vol% after plasma etching under different CF4:Ar:O2 gas ratios of: (a) 40:10:10, (b) 30:20:10, (c) 20:30:10, and (d) 10:40:10.