Chalcogen, Rare earth, Electronic energy gap, Tetragonal

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