P4mm, Perovskite

• Ba-O-Ti
• O-Pb-Ti
• O-Pb-Ti-Zr
• Mg-Nb-O-Pb-Ti
• La-O-Pb-Ti-Zr
• structural properties
• electronic and electrical properties
• permittivity (dielectric constant)
• phase transitions
• structural transitions
• perovskite
• transitional
• chalcogen
• oxide
• disordered
• tetragonal
• orthorhombic
• cubic