Alkaline, Disordered, Oxide, Transitional, Real part of permittivity

• Ba-O-Ti
• Mg-Nb-O-Pb-Ti
• Ba-Ca-O-Ti-Zr
• Ba-O-Ti-Zr
• Ba-Fe-O
• disordered
• oxide
• alkaline
• chalcogen
• transitional
• cubic
• tetragonal
• orthorhombic
• trigonal
• hexagonal