Chalcogen, Lanthanoid, Oxide, Cubic, Dielectric loss tangent

• La-O-Pb-Ti-Zr
• La-O-Pb-Ti
• Ba-La-O-Ti-Zr
• Ba-Nb-O-Sm
• Ba-Cu-La-O-Ti
• oxide
• rare earth
• lanthanoid
• chalcogen
• transitional