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
Br6Ta2
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
Br6Ta2
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
Seebeck
p-type
n-type



Sigma
p-type
n-type
Property Value
from where c2db-1188