While Goldschmidt tolerance aspects can semi-quantitatively forecast structural distortion on The premise of steric hindrance in 3D perovskites, It isn't easy to use to second perovskites, as the layered segregated structures in 2nd perovskites enable the incorporation of bigger organic and natural cations into the inorganic cages26,27,28,29,thirty. The apparent relaxation https://crithitceramics.com/product/fireball/