Table 2 Calculated equilibrium lattice constants, system band gaps, magnetic moment, and topological phase of planar and buckled M-Sb honeycombs
From: Prediction of Quantum Anomalous Hall Effect in MBi and MSb (M:Ti, Zr, and Hf) Honeycombs
M-Sb | Lattice constant (Å) | Band gap (meV) | Phase | Classification | Mag. (μ B ) | |
---|---|---|---|---|---|---|
Planar | TiSb | 4.64 | −70 | QAH | Semi-metal | 1.004 |
ZrSb | 4.84 | 8 | – | Insulator | 0.996 | |
HfSb | 4.82 | −50 | – | Metal | 0.948 | |
Buckled | TiSb | 3.81 | 256 | – | Insulator | 1.007 |
ZrSb | 3.94 | 230 | – | Insulator | 1.003 | |
HfSb | 3.92 | −59 | QAH | Semi-metal | 0.979 |