Chalcogen, Lanthanoid, Rare earth, Transitional, Electronic energy gap

• La-Mn-O-Sr
• Cu-La-O
• Co-La-O
• La-Mo-O
• Ba-La-Mn-O
• values of electronic energy gap
• energy gap for direct transition
• thermal energy gap
• energy gap for indirect transition
• polaron formation energy
• transitional
• chalcogen
• lanthanoid
• rare earth
• orthorhombic
• tetragonal
• monoclinic
• cubic
• trigonal