Alkali, Disordered, Oxide, Transitional, Dielectric loss tangent

• K-Na-Nb-O
• Bi-Na-O-Ti
• Bi-K-Na-O-Ti
• K-Li-Na-Nb-O-Sb
• Ba-Bi-Na-O-Ti
• disordered
• oxide
• alkali
• chalcogen
• transitional
• cubic
• tetragonal
• orthorhombic
• trigonal
• monoclinic