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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

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