Goldschmidt 1926: tolerance factor t = (r_A + r_O)/[√2(r_B + r_O)] predicts ABO₃ perovskite formability. t ≈ 1: cubic stable; 0.9 < t < 1: orthorhombic distortion; t < 0.71: ilmenite. Generalised by Bartel 2019 for hybrid…
Goldschmidt 1926: tolerance factor t = (r_A + r_O)/[√2(r_B + r_O)] predicts ABO₃ perovskite formability. t ≈ 1: cubic stable; 0.9 < t < 1: orthorhombic distortion; t < 0.71: ilmenite. Generalised by Bartel 2019 for hybrid…