Figure 1
From: Tailoring low-dimensional structures of bismuth on monolayer epitaxial graphene

Clean MEG surface.
(a) Atomically resolved STM image of MEG on 4H-SiC (0001) (6.5 nm × 6.5 nm, Vs = 40 mV, I = 0.15 nA). (b) Side view ball-and-stick representations of MEG/4H-SiC (0001). (c) dI/dV-V curve obtained on clean surface of MEG.