Chalcogen, Lanthanoid, Oxide, Cubic, Real part of permittivity

• La-O-Pb-Ti-Zr
• O-Pb-Ta-Yb
• La-Mn-O-Pb-Ti
• La-O-Pb-Ti
• Ba-La-O-Ti-Zr
• rare earth
• lanthanoid
• oxide
• chalcogen
• transitional