Ge2
MatHub2d-639-Ge2
| Property |
Value |
| Space group |
(164, 'P-3m1') |
| Crystal system |
hexagonal |
| Magnetic |
No |
| Band gap (PBE) (eV) |
0.00 |
| Free energy (eV) |
-8.066 |
| Free energy / atom (eV) |
-4.033 |
Lattice Parameters (basic)
| a, b, c (Å): | 4.034 | 4.034 | 30.000 |
| α, β, γ (°): | 90.000 | 90.000 | 120.000 |
Lattice Parameters (computed)
| a, b, c (Å): | 4.103 | 4.103 | 30.000 |
| α, β, γ (°): | 90.000 | 90.000 | 120.000 |
| Property |
Value |
| Band gap |
0.00 eV |
| E-fermi |
-3.516 eV |
| Vacuum level |
0.919 eV |
| VBM |
-3.517 eV |
| CBM |
-3.516 eV |
| Work function |
4.435 eV |
| Direct gap |
Yes |
| Property |
Value |
| Band gap |
0.00 eV |
| E-fermi |
-3.516 eV |
| Vacuum level |
0.919 eV |
| VBM |
-3.517 eV |
| CBM |
-3.516 eV |
| Work function |
4.435 eV |
| Cij (N/m) |
xx |
yy |
xy |
| xx |
42.914 |
11.311 |
0.000 |
| yy |
11.311 |
42.914 |
-0.000 |
| xy |
0.000 |
-0.000 |
15.801 |
| Phonon mode at Γ point (THz) |
| 0.000 |
| 0.000 |
| 0.000 |
| 4.802 |
| 8.129 |
| 8.129 |
| Property |
Value |
| from where |
sz.tsinghua-38 |
