Template {A}{Ln}2CuTi2O9 · slots A ∈ {Ca, Ba}; Ln ∈ {La, Pr, Nd, Sm} · triple-perovskite · aristotype Pm3m
| material | slots | RT space group | transitions | primary irreps at RT (Å) |
|---|---|---|---|---|
| CaPr2CuTi2O9 | A = Ca, Ln = Pr | Pbnm | R4+ 1.20(1), M3+ 1.03(1) | |
| CaNd2CuTi2O9 | A = Ca, Ln = Nd | Pbnm | R4+ 1.26(1), M3+ 0.96(1) | |
| CaSm2CuTi2O9 | A = Ca, Ln = Sm | Pbnm | R4+ 1.40(4), M3+ 1.09(4) | |
| BaLa2CuTi2O9 | A = Ba, Ln = La | I4/mcm | R4+ -0.27(6) | |
| BaPr2CuTi2O9 | A = Ba, Ln = Pr | I4/mcm | R4+ -0.37(8) | |
| BaNd2CuTi2O9 | A = Ba, Ln = Nd | I4/mcm | R4+ -0.35(9) |