Conductor, Disordered, Electric properties, Trigonal

• Bi-Fe-O
• La-Mn-O-Sr
• Bi-Na-O-Ti
• Bi-Se
• Bi-Te
• conductivity or resistivity
• electrical resistivity
• permittivity (dielectric constant)
• electrical conductivity
• activation energy
• disordered
• conductor
• chalcogen
• semiconductor
• transitional