Figure 1: TEM images of MoS2 bulk crystals and thin films.
From: Tuning thermal conductivity in molybdenum disulfide by electrochemical intercalation

(a) Cross-sectional TEM image of the MoS2 thin film with vertically aligned basal plane. Scale bar, 20 nm. (b) Plan-view TEM image of the MoS2 thin film. Scale bar, 10 nm. (c) Plan-view TEM image of the bulk MoS2 crystal. Scale bar, 2 nm.