Disordered, Transitional, Electric properties, Trigonal

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