Chalcogen, Disordered, Katiyar, Permittivity (dielectric constant)

• Fe-O-Pb-Ta
• Fe-Nb-O-Pb
• Bi-Fe-La-O
• Bi-Fe-O
• Nb-O-Pb-Sc
• dielectric loss tangent
• disordered
• oxide
• chalcogen
• transitional
• ferroelectric
• cubic
• tetragonal
• trigonal
• monoclinic
• orthorhombic