Chalcogen, Disordered, Nonmetal, Oxide, Khemakhem

• Bi-Mn-Na-Nb-O
• Bi-Na-O-Ti
• Bi-Gd-Na-O-Ti
• Ba-Eu-La-Na-O-Ti
• Ba-Fe-Nb-O-Ti
• electronic and electrical properties
• permittivity (dielectric constant)
• phase transitions
• structural transitions
• temperature for structural transition
• oxide
• nonmetal
• disordered
• chalcogen
• transitional
• cubic
• tetragonal
• orthorhombic
• trigonal