Figure 3

Band gap vs. hydrostatic/bi-axial strain(%) for (a) NaSrBi and (b) NaCaBi using HSE06 calculations. Trivial and non-trivial regions for both type of strains are marked by arrowheads.

Band gap vs. hydrostatic/bi-axial strain(%) for (a) NaSrBi and (b) NaCaBi using HSE06 calculations. Trivial and non-trivial regions for both type of strains are marked by arrowheads.