Chalcogen, Lanthanoid, Electronic energy gap, Orthorhombic

• Ca-La-Mn-O
• La-Mn-O
• La-O-Ti
• Fe-La-O
• Nd-O-Ti
• values of electronic energy gap
• energy gap for direct transition
• thermal energy gap
• polaron formation energy
• energy gap for indirect transition
• lanthanoid
• rare earth
• chalcogen
• transitional