Abdelmoula, Disordered, Nonmetal, Transitional

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