Alkaline, Chalcogen, Arumugam

• La-Mn-O-Sr
• La-Mn-O-Pr-Sr
• Ca-Mn-O-Sm-Sr
• Ca-Co-Cu-O
• Ca-Cu-O
• electronic and electrical properties
• magnetic properties
• conductivity or resistivity
• metal or nonmetal character
• temperature for metal-nonmetal transition
• chalcogen
• alkaline
• transitional
• rare earth
• lanthanoid
• tetragonal
• cubic
• orthorhombic