Table S2.
Composition | A, Å | c/a | Bi–Mg distance, Å | Eg, eV | Δcr, meV |
CaMg2Bi2 | 4.792 | 1.611 | 2.9507, 3.0023 | 0.40 | 99 |
EuMg2Bi2 | 4.853 | 1.648 | 2.9671, 2.9930 | 0.25 | 6 |
YbMg2Bi2 | 4.805 | 1.623 | 2.9517, 2.9985 | 0.18 | 72 |
Composition | A, Å | c/a | Bi–Mg distance, Å | Eg, eV | Δcr, meV |
CaMg2Bi2 | 4.792 | 1.611 | 2.9507, 3.0023 | 0.40 | 99 |
EuMg2Bi2 | 4.853 | 1.648 | 2.9671, 2.9930 | 0.25 | 6 |
YbMg2Bi2 | 4.805 | 1.623 | 2.9517, 2.9985 | 0.18 | 72 |