Chalcogen, Transitional, Electric properties, Trigonal

• Bi-Fe-O
• La-Mn-O-Sr
• Ca-Cu-O-Ti
• Bi-Na-O-Ti
• Ca-La-Mn-O
• electrical conductivity
• effective mass
• permittivity (dielectric constant)
• electronic energy gap
• conductivity or resistivity
• transitional
• chalcogen
• disordered
• oxide
• conductor