Chalcogen, Ferroelectric, Nonmetal, Oxide, Transitional, Dielectric loss tangent

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