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) The charge density difference with an isovalue of 0.02 e/Å−3. The blue and orange mean electron accumulation region and electron depletion region, respectively. (b) ELF of Zn3Si2 monolayer with an isovalue of 0.03 e/Å−3. (c), (d) Top and side views of VB maximum and CB minimum charge density contours at the Dirac point of Zn3Si2 monolayer, respectively.