Pb1S2
MatHub2d-957-Pb1S2
Property |
Value |
Space group |
(187, 'P-6m2') |
Crystal system |
hexagonal |
Magnetic |
No |
Band gap (PBE) (eV) |
2.28 |
Free energy (eV) |
-12.303 |
Free energy / atom (eV) |
-4.101 |
Lattice Parameters (basic)
a, b, c (Å): | 4.727 | 4.727 | 30.000 |
α, β, γ (°): | 90.000 | 90.000 | 120.000 |
Lattice Parameters (computed)
a, b, c (Å): | 4.731 | 4.731 | 30.000 |
α, β, γ (°): | 90.000 | 90.000 | 120.000 |
Property |
Value |
Band gap |
2.28 eV |
E-fermi |
-3.822 eV |
Vacuum level |
1.226 eV |
VBM |
-4.115 eV |
CBM |
-1.838 eV |
Work function |
5.049 eV |
Direct gap |
Yes |
Property |
Value |
Band gap |
1.69 eV |
E-fermi |
-3.827 eV |
VBM |
-4.100 eV |
CBM |
-2.413 eV |
Free energy (eV) |
-12.676 |
Free energy / atom (eV) |
-4.225 |
Property |
Value |
Band gap |
2.28 eV |
E-fermi |
-3.822 eV |
Vacuum level |
1.226 eV |
VBM |
-4.115 eV |
CBM |
-1.838 eV |
Work function |
5.049 eV |
Cij (N/m) |
xx |
yy |
xy |
xx |
28.287 |
25.788 |
-0.000 |
yy |
25.788 |
28.287 |
0.000 |
xy |
-0.000 |
0.000 |
1.250 |
Phonon mode at Γ point (THz) |
-0.006 |
-0.006 |
-0.004 |
3.523 |
3.919 |
3.919 |
4.387 |
4.387 |
14.194 |
Property |
Value |
from where |
c2db-567 |