Alkaline, Electronic and electrical properties, Trigonal

• La-Mn-O-Sr
• Co-La-O-Sr
• Ca-La-Mn-O
• Ba-La-Mn-O
• Fe-La-O-Sr
• electrical conductivity
• effective mass
• conductivity or resistivity
• electronic energy gap
• values of electronic energy gap
• alkaline
• chalcogen
• transitional
• disordered