Alkaline, Chalcogen, Transitional, Electronic energy gap

• O-Sr-Ti
• Ba-O-Ti
• La-Mn-O-Sr
• Mg-O-Zn
• Ba-La-Mn-O
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• thermal energy gap
• polaron formation energy
• chalcogen
• alkaline
• transitional
• oxide
• tetragonal
• orthorhombic
• cubic
• monoclinic
• trigonal