Abstract
Despite significant advances in first-principles calculation methods, there is no single exchange-correlation functional which predicts the ground state of materials without an error yet. We investigated how accurately ground states of binary semiconductors are described using 16 exchange-correlation functionals (with or without van der Waals corrections). LDA, PBEsol, SCAN (with or without rVV10 correction), and PBE with D3 van der Waals correction (zero or Becke-Johnson damping) show good predicting power. The lattice constants of stable phases were slightly better described by SCAN, PBEsol, PBE+D3 (Becke-Johnson damping), and MS2. We also propose a set of functionals to double-check the stability of new materials based on the majority vote.
| Original language | English |
|---|---|
| Pages (from-to) | 61-64 |
| Number of pages | 4 |
| Journal | Current Applied Physics |
| Volume | 22 |
| DOIs | |
| State | Published - Feb 2021 |
| Externally published | Yes |
Keywords
- DFT
- Exchange-correlation
- Meta-GGA
- Structure prediction
- van der Waals correction
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