Structure of barium titanate:- Barium titanate is chemical compound with formula (BaTiO3) ,has perovskite structure (a group of crystalline material take it name from natural mineral perovskite (CaTiO3) with typical formula ABO3.[35] In barium titanate, (Ba:A) ion has large size (r=1.35 A), it located at the corner of unit cell and it is encompassed by (12) oxygen ion, oxygen are bound to both cation and it located at the center cubic face. While (Ti:B) are small in
September September is the first of four months of the year that still has its original name after the Latin word for the number seven 'septem'. September is the seventh month of the old Roman calendar and that name has not changed when Julius Caesar made January the first month, which moved September to the ninth month of the year. The Anglo-Saxon name for September was Gerstmonath, Gerste being the Germanic word for barley, which was usually harvested during this month. September is the time of