Chalcogen, Oxide, Rare earth, Electronic energy gap, Tetragonal

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