Ca-La-Mn-O, Chalcogen, Electric properties, Trigonal

• Ca-La-Mn-O-Sr
• Ba-Ca-La-Mn-O
• Ca-Cr-La-Mn-O
• Bi-Ca-La-Mn-O
• conductivity or resistivity
• electrical resistivity
• activation energy
• values of activation energy
• metal or nonmetal character
• oxide
• lanthanoid
• alkaline
• chalcogen
• rare earth