Kawayama

• Bi-O-Sr-Ta
• O-Sr-Ti
• Ba-O-Ti
• Ba-O-Sr-Ti
• electronic and electrical properties
• permittivity (dielectric constant)
• ferroelectric Curie temperature
• ferroelectric transitions
• phase transitions
• alkaline
• chalcogen
• transitional
• quaternary
• non-disordered
• orthorhombic
• tetragonal