Ba-Nb, Chalcogen, Orthorhombic

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