Table 1 Structural parameters for trefoil-like defects.
From: Three-fold rotational defects in two-dimensional transition metal dichalcogenides
T1 | T2 | T3 | Tn | |
---|---|---|---|---|
Rotation centre (Rc) for expansion | 1 | 4 | 9 |
|
Pairs of M–X bond rotation (RP) | 3 | 10 | 21 |
|
Octagons | 3 | 6 | 9 | 3n |
Pentagons | 0 | 6 | 12 | 6(n-1) |
DV(S/Se) | 3 | 5 | 7 | (2n+1) |
Defect size (An) | 12A0 | 25A0 | 42A0 | (2n2+7n+3)A0 |
Rc and RP for migrating a lattice constant | 5 | 9 | 13 | 4n+1 |