Fig. 5: Axion insulator mp-11181 Cs(MnP)2 with stable invariant η4I = 2. | npj Computational Materials

Fig. 5: Axion insulator mp-11181 Cs(MnP)2 with stable invariant η4I = 2.

From: High-throughput first-principle prediction of collinear magnetic topological materials

Fig. 5

a The crystal structure and b Brillouin zone. c The electronic structure with SOC. The red and blue colors denote the occupied and unoccupied bands, respectively. Panels d and e show the surface states at (001) and (010) surfaces, with the surface BZ shown in b. Due to the different net surface magnetism, we observed the gap and the gapless surface states at (001) and (010), respectively.

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