Fig. 3: Epitaxy.
From: Resolving few-layer antimonene/graphene heterostructures
a Atomic resolution ADF STEM and b corresponding FT of a β-Sb(001) particle on suspended graphene. c ADF STEM and d FT of the graphene(001) lattice just adjacent to the particle in a. The FTs are indexed to their corresponding phases and in the ADF images salient planes and directions are highlighted. e Atomic models showing in-plane vdW epitaxial relations derived from the data in a–d, suggesting β-Sb(001)||graphene(001)/β-Sb[110]||graphene[120], i.e., angle between β-Sb[110] and graphene[120] = 0°. f The overlay of simulated FTs corresponding to the models in e. g Histogram of multiple measurements similar to a–f showing a distribution of (mis)rotation angles between β-Sb[110] and graphene[120] which peaks at 0°, confirming the suggested in-plane vdW epitaxy relation depicted in e to be preferred. h–n Corresponding measurements for cubic(001) deposits on suspended graphene, yielding a preferred cubic Sb(001)||graphene(001)/cubic Sb[110]||graphene[120] in-plane vdW epitaxy relation. For epitaxial relations in β-Sb[2-21] notation see Supplementary Fig. 7. Note that direction vector lengths in a, c, e, h, j, and l are not to scale but enlarged for readability.
