The crystal structure of ABO3-kind perovskites is based around the geometric balance of packing for ions of different dimensions and valence states. While the comparatively massive cation A is coordinated with 12 oxygen anions on the dodecahedral web pages, the lesser cation B is found while in the oxygen octahedra https://damienmrvad.blogadvize.com/28090473/the-coolest-dice-diaries