fig11

Recent advances in two-dimensional van der Waals magnets

Figure 11. (A) Crystal structure of bulk AFM MnBi2Te4 with high symmetry points in reciprocal space. Band structures profiles (B) without SOC and (c) with SOC. (D) SOC-dependent band gap energy at Γ, showing an evolution from a trivial insulator to a topological insulator by changing the SOC. (E) Wannier charge center evolving with ky, referring to a nonzero topological invariant[189].

Microstructures
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