Figure 2

The microscopic images of: (a) the rear surface of sample IR_30; (b) the border between scanned and non-irradiated field on rear side of sample IR_10; (c) a single structure on rear side of sample IR_10 (SEM).

The microscopic images of: (a) the rear surface of sample IR_30; (b) the border between scanned and non-irradiated field on rear side of sample IR_10; (c) a single structure on rear side of sample IR_10 (SEM).