Bi2Br6
MatHub2d-107-Bi2Br6
Property |
Value |
Space group |
(162, 'P-31m') |
Crystal system |
hexagonal |
Magnetic |
No |
Band gap (PBE) (eV) |
2.99 |
Free energy (eV) |
-23.769 |
Free energy / atom (eV) |
-2.971 |
Lattice Parameters (basic)
a, b, c (Å): | 7.399 | 7.399 | 30.000 |
α, β, γ (°): | 90.000 | 90.000 | 120.000 |
Lattice Parameters (computed)
a, b, c (Å): | 7.399 | 7.399 | 30.000 |
α, β, γ (°): | 90.000 | 90.000 | 120.000 |
Property |
Value |
Band gap |
2.99 eV |
E-fermi |
-5.494 eV |
Vacuum level |
1.464 eV |
VBM |
-5.805 eV |
CBM |
-2.816 eV |
Work function |
6.958 eV |
Direct gap |
No |
Property |
Value |
Band gap |
2.99 eV |
E-fermi |
-5.494 eV |
Vacuum level |
1.464 eV |
VBM |
-5.805 eV |
CBM |
-2.816 eV |
Work function |
6.958 eV |
Cij (N/m) |
xx |
yy |
xy |
xx |
11.028 |
5.012 |
0.000 |
yy |
5.012 |
11.028 |
-0.000 |
xy |
0.000 |
-0.000 |
3.008 |
Phonon mode at Γ point (THz) |
-0.010 |
-0.004 |
-0.004 |
0.897 |
0.939 |
0.939 |
1.162 |
1.353 |
1.513 |
1.513 |
1.797 |
1.977 |
1.977 |
2.640 |
2.640 |
3.468 |
3.468 |
3.764 |
3.764 |
4.182 |
4.242 |
4.242 |
4.301 |
5.199 |
Carrier type |
C2D (N/m) |
Edef (eV) |
μ (cm2V-1s-1) |
x |
y |
x |
y |
x |
y |
hole |
12.03 |
12.29 |
-1.62 |
-2.01 |
-1.83 |
-1.21 |
electron |
-3.75 |
-3.75 |
20.24 |
20.60 |
Property |
Value |
from where |
c2db-1108 |