Ba-O-Ti, Chalcogen, Ferroelastic, Ferroelectric

• Ba-Ca-O-Ti-Zr
• Ba-Na-Nb-O-Ti
• electronic and electrical properties
• structural properties
• permittivity (dielectric constant)
• phase transitions
• structural transitions
• ferroelastic
• alkaline
• disordered
• chalcogen
• ferroelectric
• tetragonal
• trigonal
• cubic
• hexagonal
• orthorhombic