Br2Ge2Se2
MatHub2d-1190-Br2Ge2Se2
Property |
Value |
Space group |
(59, 'Pmmn') |
Crystal system |
rectangular |
Magnetic |
No |
Band gap (PBE) (eV) |
0.00 |
Free energy (eV) |
-20.943 |
Free energy / atom (eV) |
-3.490 |
Lattice Parameters (basic)
a, b, c (Å): | 3.700 | 5.385 | 30.000 |
α, β, γ (°): | 90.000 | 90.000 | 90.000 |
Lattice Parameters (computed)
a, b, c (Å): | 3.675 | 5.412 | 30.000 |
α, β, γ (°): | 90.000 | 90.000 | 90.000 |
Property |
Value |
Band gap |
0.00 eV |
E-fermi |
-3.697 eV |
Vacuum level |
2.194 eV |
VBM |
-3.698 eV |
CBM |
-3.696 eV |
Work function |
5.892 eV |
Direct gap |
No |
Property |
Value |
Band gap |
0.00 eV |
E-fermi |
-3.697 eV |
Vacuum level |
2.194 eV |
VBM |
-3.698 eV |
CBM |
-3.696 eV |
Work function |
5.892 eV |
Cij (N/m) |
xx |
yy |
xy |
xx |
54.701 |
14.733 |
0.000 |
yy |
14.733 |
53.546 |
0.000 |
xy |
0.000 |
0.000 |
10.006 |
Phonon mode at Γ point (THz) |
Property |
Value |
from where |
c2db-53 |