Fig. 2: Rotation symmetry breaking, minigap opening, and flat bands at Γ valley of MoS2-bP superlattices.

a–c Constant energy cut maps of monolayer MoS2, MoS2-bP superlattices with θ = 8.5° and with θ = 2.4°. The corresponding BZ and orientations are depicted in the left panel. d and e Valence bands of MoS2-bP along AC, AC + 45° and zigzag (ZZ) directions in superlattices with θ = 8.5° (top) and θ = 2.4° (bottom). The valence bands of monolayer MoS2 are given for comparison in the right panel. The bands are fitted by dashed curves. The cut directions are labeled in the BZ inserted in each panel.