fig5

Figure 5. The bonding charge density isosurface of (A) C222₁ RETa₃O₇ and (B) RE₂Zr₂O₇ pyrochlore (RE = Sc, Y, La ~ Lu). The blue and yellow isosurfaces respectively correspond to Δρ ± 0.02 e^-Å^-3. RE: Rare-earth.