Br6Ta2
MatHub2d-251-Br6Ta2
Property |
Value |
Space group |
(162, 'P-31m') |
Crystal system |
hexagonal |
Magnetic |
Yes |
Band gap (PBE) (eV) |
0.17 |
Free energy (eV) |
-35.769 |
Free energy / atom (eV) |
-4.471 |
Lattice Parameters (basic)
a, b, c (Å): | 6.160 | 6.160 | 30.000 |
α, β, γ (°): | 90.000 | 90.000 | 120.000 |
Lattice Parameters (computed)
a, b, c (Å): | 6.616 | 6.616 | 30.000 |
α, β, γ (°): | 90.000 | 90.000 | 120.000 |
Property |
Value |
Band gap |
0.17 eV |
E-fermi |
-2.877 eV |
Vacuum level |
1.501 eV |
VBM |
-2.972 eV |
CBM |
-2.801 eV |
Work function |
4.379 eV |
Direct gap |
Yes |
Property |
Value |
Band gap |
0.17 eV |
E-fermi |
-2.877 eV |
Vacuum level |
1.501 eV |
VBM |
-2.972 eV |
CBM |
-2.801 eV |
Work function |
4.379 eV |
Cij (N/m) |
xx |
yy |
xy |
xx |
13.919 |
0.694 |
0.000 |
yy |
0.694 |
13.919 |
0.000 |
xy |
0.000 |
0.000 |
6.612 |
Phonon mode at Γ point (THz) |
-3.039 |
-3.039 |
-0.003 |
-0.003 |
-0.001 |
1.683 |
1.683 |
2.081 |
2.310 |
2.515 |
2.515 |
2.549 |
3.932 |
3.932 |
4.365 |
4.566 |
4.566 |
4.716 |
4.755 |
4.755 |
5.044 |
5.068 |
5.068 |
5.882 |
Property |
Value |
from where |
c2db-1188 |