K-Nb-O-Ta, Tetragonal

• K-Li-Na-Nb-O-Sb-Ta
• K-Li-Na-Nb-O-Ta
• K-Li-Nb-O-Ta
• K-Na-Nb-O-Ta
• electronic and electrical properties
• thermal and thermodynamic properties
• permittivity (dielectric constant)
• phase transitions
• structural properties
• chalcogen
• transitional
• alkali
• ferroelectric
• disordered