Flat-band based ferromagnetic semiconducting state in the graphitic C${}_4$N${}_3$ monolayer

Chaoyu He, Yujie Liao, Tao Ouyang +3

A new set of lattice-models based on the hexagonal $\sqrt{N}\times \sqrt{N}$ super-cells of the well-known honeycomb lattice with single-hole defect (HL-D-1/2N) are proposed to real…