Fig. 4
From: Controlling structure and interfacial interaction of monolayer TaSe2 on bilayer graphene
Thickness-dependent work function and STM step height of ML TaSe2 films on BLG. a The calculated work function of few-layer 1 T-TaSe2 (red) and 1H-TaSe2 (blue). b STM topographic image with islands of both ML 1 T-TaSe2 (light purple) and 1H-TaSe2 (deep purple) on a BLG/SiC(0001) substrate (scanned at sample bias Vb = − 1 V and tunnelling current It = 5 pA at 5 K). c An STM height profile taken along a red arrow shown in panel b