Table 1 Potential van der Waals heterojunctions based on ferromagnetic MXY compounds with electronic band inversions and lattice mismatches <6.5%.
From: Quantum anomalous Hall effect in two-dimensional magnetic insulator heterojunctions
Material A | CBM (eV) | Band character (CBM) | Material B | VBM (eV) | Band character (VBM) | Lattice mismatch along a (%) | Lattice mismatch along b (%) | Nontrivial stacking order |
|---|---|---|---|---|---|---|---|---|
FeNF | −7.9 | Fe: dx2-y2 | MnNF | −7.6 | N: py | 2.3 | 1.1 | FM |
VSI | −5.9 | V: dxy | MoSI | −5.6 | Mo: dyz | 1.7 | 3.2 | FM |
VSI | −5.9 | V: dxy | WSeI | −4.8 | W: dyz | 3.9 | 6.1 | FM |
VSI | −5.9 | V: dxy | VSeI | −5.6 | Se: px / I: px | 2.7 | 6.0 | FM |
MnNF | −7.1 | Mn: dx2-y2 | MnNCl | −6.7 | N: py | 6.5 | 0.6 | FM |
TiTeI | −4.9 | Ti: dz2 | WTeI | −4.9 | W: dyz | 4.0 | 3.0 | FM |
VSeI | −5.1 | V: dz2 / dx2-y2 | WSeI | −4.8 | W: dyz | 6.5 | 0.1 | FM |
CrSeCl | −5.6 | Cr: dx2-y2 | VSeI | −5.6 | Se: px / I: px | 4.1 | 0.5 | FM |