Chalcogen, Conductor, Disordered, Transitional, Kar

• Bi-Ca-Fe-O-Ti
• Bi-Fe-O
• Ba-O-Ti
• Co-Fe-O-Zn
• Co-Fe-O
• optical properties
• magnetic properties
• electronic and electrical properties
• structural properties
• permittivity (dielectric constant)
• disordered
• transitional
• conductor
• chalcogen
• oxide
• cubic
• trigonal
• orthorhombic
• tetragonal
• hexagonal