Figure 2

Cross-sectional HRTEM images.
Samples (a) S-2 and (b) S-3. Figure (c) is the zoomed-in version of certain portion of sample S-3, which is indicated by red color rectangle in (b).
Cross-sectional HRTEM images.
Samples (a) S-2 and (b) S-3. Figure (c) is the zoomed-in version of certain portion of sample S-3, which is indicated by red color rectangle in (b).