Emergent second-harmonic generation in van der Waals heterostructure of bilayer MoS2 and monolayer graphene | Science Advances

Abstract Van der Waals (vdW) stacking of two-dimensional (2D) materials to create artificial structures has enabled remarkable discoveries and novel properties in fundamental physics. Here, we report that vdW stacking of centrosymmetric 2D materials, e.g., bilayer MoS 2 (2LM) and monolayer graphene (1LG), could support remarkable second-harmonic generation (SHG).

Published in: "Science Advances".