Table 1 Calculated lattice parameters a, c, and u of transition metal monopnictides.
Parameter | TaAs | TaP | NbAs | NbP |
---|---|---|---|---|
a (Ã…) | 3.466 (3.437) | 3.339 (3.318) | 3.477 (3.452) | 3.350 (3.334) |
c (Ã…) | 11.750 (11.656) | 11.486 (11.363) | 11.752 (11.679) | 11.424 (11.376) |
u | 0.417 (0.417) | 0.414 (0.416) | 0.422 (0.417) | 0.416 (0.416) |
B (GPa) | 84.38 | 102.31 | 87.47 | 95.99 |
B′ | 4.14 | 4.05 | 4.05 | 3.85 |
Ecoh (eV/pair) | 14.27 | 16.00 | 15.09 | 16.69 |