Chalcogen, Disordered, Electric properties, Trigonal

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