Figure 5

Evolution of the Wannier charge centers (WCCs) along k y for (a) PAsI2, (b) AsBiI2 and (c) SbBiI2 monolayer. Calculated semi-infinite edge states of (d) PAsI2, (e) AsBiI2 and (f) SbBiI2 monolayers.
Evolution of the Wannier charge centers (WCCs) along k y for (a) PAsI2, (b) AsBiI2 and (c) SbBiI2 monolayer. Calculated semi-infinite edge states of (d) PAsI2, (e) AsBiI2 and (f) SbBiI2 monolayers.