Alkali, Oxide, Cubic, Permittivity (dielectric constant)

• K-Na-Nb-O
• K-O-Ta
• Fe-Li-O
• K-Nb-O-Ta
• K-Li-Na-Nb-O-Sb
• dielectric loss tangent
• real part of permittivity
• oxide
• chalcogen
• alkali
• transitional
• disordered