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^†,

(a) Variations of the energy gap with electric field under different strains. The dashed line on the left of the curves indicates the linearly increasing gap with a slope of 0.272 eV per V/Å. (b) Variations of the energy gap with the interlayer strain at different electric fields.