Table 1 The measured values of lattice constants, NMR 209Bi isotropic shifts at room temperature, calculated band inversion strength EBIS (=EΓ6 − EΓ8), SOC parameter ESOC (=EΓ8 − EΓ7) and the topological status for half-Heusler R-M-Bi alloys.
From: NMR Evidence for the Topologically Nontrivial Nature in a Family of Half-Heusler Compounds
Alloys | Lattice constant (Å) | Isotropic shift (ppm 300K) | Calculated EBIS (eV) | Calculated ESOC (eV) | Topological status |
|---|---|---|---|---|---|
ScNiBi | 6.19 | 2608 | 1.651 | 0.218 | No |
ScPdBi | 6.43 | 3188 | 0.721 | 0.369 | No |
ScPtBi | 6.50 | 382 | −0.862 | 0.616 | Yes |
YNiBi | 6.41 | 900 | 1.130 | 0.334 | No |
YPdBi | 6.63 | 1200 | 0.303 | 0.501 | No |
YPtBi | 6.64 | −1748 | −0.864 | 0.686 | Yes |
LuNiBi | 6.34 | −2223 | 0.506 | 0.383 | No |
LuPdBi | 6.57 | −4368 | −0.496 | 0.498 | Yes |
LuPtBi | 6.58 | −6362 | −1.337 | 0.701 | Yes |
