Tuning the energy gap of bilayer <italic>α</italic>-graphyne by applying strain and electric field

Tuning the energy gap of bilayer α-graphyne by applying strain and electric field

Hang Yang, Wen-Zhi Wu, Yu Jin, Guo Wan-Lin^†,

Geometry structures of bilayer α-graphyne with six inequivalent stacking modes. Different layers are shown in different colors.