K-Li-Na-Nb-O, Nb-x polyhedra, Nonmetal

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