Chalcogen, Nonmetal, Oxide, Transitional, Khemakhem, Orthorhombic

• Bi-Mn-Na-Nb-O
• Li-Na-Nb-O
• Ba-Nb-O-Ti-Zn
• Ca-Na-Nb-O-Sn
• K-Nb-O-Pb
• electronic and electrical properties
• permittivity (dielectric constant)
• structural transitions
• phase transitions
• temperature for structural transition
• transitional
• nonmetal
• oxide
• chalcogen
• alkali