Alkali, Chalcogen, Ferroelectric, Transitional, K-Na-Nb-O

• K-Li-Na-Nb-O-Sb
• K-Li-Na-Nb-O
• K-Li-Na-Nb-O-Ta
• K-Li-Na-Nb-O-Sb-Ta
• electronic and electrical properties
• permittivity (dielectric constant)
• phase transitions
• structural transitions
• temperature for structural transition
• transitional
• ferroelectric
• alkali
• chalcogen
• oxide
• tetragonal
• orthorhombic
• monoclinic
• cubic
• trigonal