Schematic crystal structures of (a)
Pm3¯m
symmetry, (b) Pnma symmetry, (c)
R3¯c
symmetry, (d)
Fm3¯m
symmetry, (e) P21/n symmetry, and (f)
R3¯
symmetry. Panel (g) shows the chemical mutation of 36 chalcogenide double perovskites from BaZrS3. Reprinted with permission.[93] |