Chalcogen, Lanthanoid, Oxide, Electronic energy gap, Tetragonal

• Cu-La-O
• La-Mn-O-Sr
• Cu-La-O-Sr
• Co-La-O-Sr
• Ba-Cu-La-O
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• thermal energy gap
• polaron formation energy
• rare earth
• chalcogen
• lanthanoid
• oxide