Cubic, Ferroelectric, Oxide, Transitional, K-Na-Nb-O

• K-Mn-Na-Nb-O
• Bi-K-Na-Nb-Ni-O-W
• Bi-K-Na-Nb-Ni-O
• Bi-Er-K-Na-Nb-O-Ti
• electronic and electrical properties
• permittivity (dielectric constant)
• phase transitions
• structural transitions
• temperature for structural transition
• oxide
• ferroelectric
• chalcogen
• alkali
• transitional