Whilst Goldschmidt tolerance aspects can semi-quantitatively forecast structural distortion on the basis of steric hindrance in 3D perovskites, It's not necessarily easy to use to 2D perovskites, since the layered segregated buildings in 2D perovskites enable the incorporation of more substantial natural and organic cations to the inorganic cages26,27,28,29,thirty. The https://crithitceramics.com/product/fireball/