Two-dimensional hexagonal Zn<sub>3</sub>Si<sub>2</sub> monolayer: Dirac cone material and Dirac half-metallic manipulation

Two-dimensional hexagonal Zn₃Si₂ monolayer: Dirac cone material and Dirac half-metallic manipulation

Guan Yurou, Song Lingling, Zhao Hui, Du Renjun, Liu Liming, Yan Cuixia^†, Cai Jinming^‡

(a) Phonon dispersion of Zn₃Si₂ monolayer, where no soft mode is found. (b) The total energy for the Zn₃Si₂ lattice as a function of simulation time at 300 K. The inset illustrates the snapshots of the optimized crystal structures of the Zn₃Si₂ lattice at 1 ps, 2 ps, and 3 ps.