Table 1 Supercell of both MX2 and metal used to construct the smallest periodic unit for MX2/metal interface
MX2 supercell | 1 × 1 | \(2\sqrt 3 \times 2\sqrt 3\) | 4 × 4 |
MS2/metal | Zr (1 × 1) | Ru (4 × 4) Rh (4 × 4) | V (3 × 3) Cu (5 × 5) |
MSe2/metal | Sc (1 × 1) In (1 × 1) | Ti (4 × 4) Ag (4 × 4) | Mo (3 × 3) W (3 × 3) Cu (\(3\sqrt 3 \times 3\sqrt 3\)) |
MoTe2/metal | N/A | Cr (3 × 3) | Nb (3 × 3) Ru (\(3\sqrt 3 \times 3\sqrt 3\)) Rh (\(3\sqrt 3 \times 3\sqrt 3\)) |