Figure 3

Calculated valence charge density along the c axis in the (100) (a) and (200) (b) planes of superlattice at equilibrium (1), maximum piezoelectric coefficient (2) and ideal tensile strength (3)
Calculated valence charge density along the c axis in the (100) (a) and (200) (b) planes of superlattice at equilibrium (1), maximum piezoelectric coefficient (2) and ideal tensile strength (3)