CALYPSO structure prediction and VASP DFT band calculations
Single-layer Cu3C6S6 candidate structures · Model
Particle-swarm structure search; VASP structural optimisation; PBE, LDA and LDA+U(U=4,6) band/DOS calculations for single layer.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Calculated metallic electronic structure | Fermi level cuts very wide bands for AA/AB stacking and single-layer configurations. | — | — | Text Qualitative | main p.6 · XPS and UPS characterizations · Supplementary Fig. 7; Supplementary Fig. 8 |
| Single-layer candidate crystal (a) total energy | -85.52 eV | — | — | SI Table Exact Reported | SI p.6 · Supplementary Table 3 · Supplementary Table 3 |
| Single-layer candidate crystal (b) total energy | -88.13 eV | — | — | SI Table Exact Reported | SI p.6 · Supplementary Table 3 · Supplementary Table 3 |
| Single-layer candidate crystal (c) total energyMarked as a best value within this paper | -90.05 eV | — | — | SI Table Exact Reported | SI p.6 · Supplementary Table 3 · Supplementary Table 3 |