• Formula : Ta3AlC2
  • Space Group : P6_3/mmc (194)
    Centrosymmetric : True
    Dimensionality : 3D
  • Structure parameters
    a = 3.1004
    b = 3.1004
    c = 19.2
    α = 90.0
    β = 90.0
    γ = 120.0
  • Number of atoms per primitive cell = 12
    Total number of electrons per primitive cell = 100
  • Band gap = 0.0 eV
    Direct Gap = 0.051 eV
    Metallicity = 0.053
    Topological Z2 indices ν = (1;000)
  • cif file - scf.in - scf.out - bands.in - bands.out
  • Reference:

    Ta3AlC2 and Ta4AlC3- Single-Crystal Investigations of Two New Ternary Carbides of Tantalum Synthesized by the Molten Metal Technique,
    Inorganic Chemistry 46, 1410 (2007)

Band structure with spin-orbit coupling