Chalcogen, Quaternary, Electronic energy gap, Orthorhombic

• C-H-N-O
• Ca-La-Mn-O
• H-N-O-S
• Ba-Cu-O-Y
• Cu-S-Si-Zn
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• thermal energy gap
• polaron formation energy
• quaternary
• chalcogen
• transitional
• non-disordered