kite Structure
Perovskite is a family name of a group of materials and the mineral name of calcium titanate (CaTiO3) having a structure of the type ABO3. Many piezoelectric (including ferroelectric) ceramics such as Barium Titanate (BaTiO3), Lead Titanate (PbTiO3), Lead Zirconate Titanate (PZT), Lead Lanthanum Zirconate Titanate (PLZT), Lead Magnesium Niobate (PMN), Potassium Niobate (KNbO3) etc. have a cubic perovskite type structure (in the paraelectric state) with chemical formula ABO3 (figure 2 a, b).