fig7

Figure 7. Rigid substrate-induced strain. (A) The average areal strain of graphene on top of the different central spheres; (B) Strain profiles of graphene on the top of 20 nm nanospheres; (A-B): quoted with permission from Zhang et al.^[90]; (C) Microscope image of a MoS₂/SiO₂ substrate delaminated device (scale bar is 5 μm); (D) AFM image of MoS₂ in figure C; (C-D): quoted with permission from Lloyd et al.^[92]; (E) Schematic diagram of the 1L-MoS₂/ZnO heterostructure arrays; (F) Strain distribution analysis of 1L-MoS₂ heterostructure on patterned ZnO substrate across various regions; (E-F): quoted with permission from Liu et al.^[53].