Dielectric loss tangent, Ferroelectric, Transitional

• Ca-Cu-O-Ti
• Bi-Fe-O
• Ba-O-Ti
• Ba-O-Sr-Ti
• K-Na-Nb-O
• ferroelectric
• transitional
• chalcogen
• nonmetal
• oxide
• tetragonal
• orthorhombic
• cubic
• trigonal
• monoclinic