Structure info | |
---|---|
Layer group | p1 |
Layer group number | 1 |
Structure origin | Wang23 |
Stability | |
---|---|
Energy above convex hull [eV/atom] | 0.036 |
Heat of formation [eV/atom] | -0.093 |
Dynamically stable | No |
Basic properties | |
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Magnetic | Yes |
Band gap (PBE) [eV] | 0.000 |
Symmetries | |
---|---|
2D Bravais type | Oblique (mp) |
Layer group number | 1 |
Layer group | p1 |
Space group number (bulk in AA-stacking) | 1 |
Space group (bulk in AA-stacking) | P1 |
Point group | 1 |
Inversion symmetry | No |
Structure data | |
---|---|
Formula | I4Cu2 |
Stoichiometry | AB2 |
Number of atoms | 6 |
Unit cell area [Å2] | 46.506 |
Thickness [Å] | 3.396 |
Cu2I4 (2CuI2-1) | |
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Heat of formation [eV/atom] | -0.09 |
Energy above convex hull [eV/atom] | 0.04 |
Monolayers from C2DB | |
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Cu2I2 (2CuI-1) | -0.17 eV/atom |
Cu2I2 (2CuI-2) | -0.16 eV/atom |
Cu3I3 (3CuI-1) | -0.15 eV/atom |
Cu5I5 (5CuI-1) | -0.14 eV/atom |
Cu6I6 (6CuI-1) | -0.14 eV/atom |
Cu4I4 (4CuI-1) | -0.13 eV/atom |
CuI2 (1CuI2-1) | -0.13 eV/atom |
Cu2I3 (1Cu2I3-1) | -0.12 eV/atom |
Cu4I6 (2Cu2I3-1) | -0.12 eV/atom |
Cu3I6 (3CuI2-1) | -0.11 eV/atom |
Cu9I11 (1Cu9I11-1) | -0.10 eV/atom |
Cu6I6 (6CuI-2) | -0.10 eV/atom |
Cu3I3 (3CuI-2) | -0.10 eV/atom |
Cu6I6 (6CuI-3) | -0.10 eV/atom |
Cu3I3 (3CuI-3) | -0.10 eV/atom |
Cu3I3 (3CuI-4) | -0.09 eV/atom |
Cu2I4, (2CuI2-1) | -0.09 eV/atom |
Cu3I5 (1Cu3I5-1) | -0.09 eV/atom |
Cu4I4 (4CuI-2) | -0.09 eV/atom |
CuI (1CuI-1) | -0.08 eV/atom |
Cu4I8 (4CuI2-1) | -0.08 eV/atom |
Cu4I8 (4CuI2-2) | -0.08 eV/atom |
Cu3I4 (1Cu3I4-1) | -0.07 eV/atom |
Cu2I4 (2CuI2-2) | -0.06 eV/atom |
Cu4I6 (2Cu2I3-2) | -0.05 eV/atom |
CuI2 (1CuI2-2) | -0.05 eV/atom |
Cu2I5 (1Cu2I5-1) | -0.03 eV/atom |
Cu2I6 (2CuI3-1) | 0.05 eV/atom |
CuI2 (1CuI2-3) | 0.09 eV/atom |
Cu2I6 (2CuI3-2) | 0.10 eV/atom |
Minimum eigenvalue of Hessian [eV/Ų] | -0.02 |
Cij (N/m) | xx | yy | xy |
xx | 17.73 | -0.32 | 0.65 |
yy | -0.77 | 7.55 | 0.46 |
xy | 1.03 | 0.27 | 2.37 |
Stiffness tensor eigenvalues | |
Eigenvalue 0 | 2.30 N/m |
Eigenvalue 1 | 7.55 N/m |
Eigenvalue 2 | 17.80 N/m |
Total magnetic moment [μB] | 0.520 |
Magnetic anisotropy energy, xz [meV/unit cell] | 0.724 |
Magnetic anisotropy energy, yz [meV/unit cell] | -1.190 |
Atom index | Atom type | Local spin magnetic moment (μB) | Local orbital magnetic moment (μB) |
---|---|---|---|
0 | I | 0.023 | 0.026 |
1 | I | 0.024 | 0.026 |
2 | I | 0.046 | 0.038 |
3 | I | 0.043 | 0.035 |
4 | Cu | 0.130 | -0.025 |
5 | Cu | 0.130 | -0.025 |
Key values [eV] | |
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Band gap (PBE) | 0.000 |
Direct band gap (PBE) | 0.000 |
Fermi level wrt. vacuum (PBE) | -5.622 |
Atom No. | Chemical symbol | Charges [|e|] |
---|---|---|
0 | I | -0.08 |
1 | I | -0.08 |
2 | I | -0.31 |
3 | I | -0.31 |
4 | Cu | 0.38 |
5 | Cu | 0.38 |
Miscellaneous details | |
---|---|
Unique ID | 2CuI2-1 |
Number of atoms | 6 |
Number of species | 2 |
Formula | I4Cu2 |
Reduced formula | I2Cu |
Stoichiometry | AB2 |
Unit cell area [Å2] | 46.506 |
Original file-system folder | /home/niflheim2/cmr/C2DB-ASR/tree_Wang23/AB2/CuI2/Cu2I4-117d01cc39c4 |
Old uid | Cu2I4-5a47bce226ae |
Space group (bulk in AA-stacking) | P1 |
Space group number (bulk in AA-stacking) | 1 |
Point group | 1 |
Inversion symmetry | No |
Layer group number | 1 |
Layer group | p1 |
2D Bravais type | Oblique (mp) |
Thickness [Å] | 3.396 |
Miscellaneous details | |
---|---|
Structure origin | Wang23 |
Band gap (PBE) [eV] | 0.000 |
Direct band gap (PBE) [eV] | 0.000 |
gap_dir_nosoc | 0.000 |
Vacuum level [eV] | 2.024 |
Fermi level wrt. vacuum (PBE) [eV] | -5.622 |
minhessianeig | -0.019 |
Dynamically stable | No |
Energy [eV] | -13.822 |
Magnetic | Yes |
Total magnetic moment [μB] | 0.520 |
Spin axis | x |
Magnetic anisotropy energy, xz [meV/unit cell] | 0.724 |
Magnetic anisotropy energy, yz [meV/unit cell] | -1.190 |
Energy above convex hull [eV/atom] | 0.036 |
Heat of formation [eV/atom] | -0.093 |