Chalcogen, Perovskite, Khemakhem, Tetragonal

• Bi-Na-O-Ti
• Bi-Gd-Na-O-Ti
• Ba-Eu-La-Na-O-Ti
• Bi-Mn-Na-Nb-O
• Ba-Bi-Ca-O-Ti
• electronic and electrical properties
• permittivity (dielectric constant)
• structural properties
• optical properties
• phonons
• transitional
• perovskite
• oxide
• chalcogen
• disordered