Chalcogen, Transitional, Mg-Pb, Trigonal

• Mg-Nb-O-Pb-Ti
• Mg-Nb-O-Pb-Zr
• In-Mg-Nb-O-Pb-Ti
• Bi-Mg-O-Pb-Ti-Zr
• Ba-Mg-Nb-O-Pb
• electronic and electrical properties
• thermal and thermodynamic properties
• permittivity (dielectric constant)
• structural properties
• phase transitions
• transitional
• chalcogen
• alkaline
• piezoelectric
• ferroelectric