Figure 5

PF-TUNA images of the (a) Ag0, (c) Ag17D, and (e) Ag17DA films with their corresponding current mappings shown in (b,d and f), respectively, which were recorded at a tip bias of 2 V.

PF-TUNA images of the (a) Ag0, (c) Ag17D, and (e) Ag17DA films with their corresponding current mappings shown in (b,d and f), respectively, which were recorded at a tip bias of 2 V.