Cubic, Mg-Nb, Transitional

• Mg-Nb-O-Pb
• Mg-Nb-O-Pb-Ti
• Cd-Mg-Nb-O-Pb
• Bi-Mg-Nb-O
• Bi-Mg-Nb-O-Pb
• electronic and electrical properties
• thermal and thermodynamic properties
• permittivity (dielectric constant)
• structural properties
• phase transitions
• alkaline
• transitional
• chalcogen
• disordered
• oxide