Chalcogen, Lanthanoid, Oxide, Rare earth, Transitional, Dielectric loss tangent

• La-O-Pb-Ti-Zr
• Bi-Fe-La-O
• Bi-La-O-Ti
• La-O-Pb-Ti
• Bi-Fe-Nd-O
• oxide
• rare earth
• lanthanoid
• chalcogen
• transitional
• orthorhombic
• tetragonal
• cubic
• trigonal
• monoclinic