Figure 3 | Scientific Reports

Figure 3

From: Equilibrium shape of single-layer hexagonal boron nitride islands on iridium

Figure 3

Evolution of hBN islands’ shape. (a) Stacked contours of hBN islands extracted from a LEEM growth sequence, overlaid on top of a LEEM image showing clean Ir surface prior to hBN growth. Contours correspond to islands perimeters recorded at time intervals of 32 s. Edge normal \(\hat{n}\), local step-up direction \(\hat{s}\) and an angle between them α are noted for one hBN edge. Three characteristic images of hBN growth are shown in the panels on the right. E = 17.3 eV. (b) Data plot of ZZ edge advancement speed vZZ as a function of angle α. Red and blue lines are the fits to the data.

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