Figure 2

(a) 2D and (b) 3D AFM topography, and (c) SEM images of NFO film of thickness of 2.5 μm on (100) MGO substrate. The arrows indicate a few fine nanometer wide cracks on the film surface.
(a) 2D and (b) 3D AFM topography, and (c) SEM images of NFO film of thickness of 2.5 μm on (100) MGO substrate. The arrows indicate a few fine nanometer wide cracks on the film surface.