Alkali, Chalcogen, Disordered, Transitional, Tetragonal

• Fe-K-Se
• Ba-Bi-Na-O-Ti
• K-Na-Nb-O
• Bi-Na-O-Ti
• Fe-Rb-Se
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• phase transitions
• permittivity (dielectric constant)
• disordered
• transitional
• chalcogen
• alkali