Electronic and electrical properties, Fe, Rare earth, Trigonal

• Fe-La-O-Sr
• Bi-Fe-La-O
• Fe-La-Mn-O-Sr
• Bi-Fe-Nd-O
• Bi-Fe-O-Sm
• electrical conductivity
• effective mass
• permittivity (dielectric constant)
• conductivity or resistivity
• electronic energy gap
• transitional
• rare earth
• lanthanoid
• disordered
• chalcogen