4, Chalcogen, Non-disordered, Pnictogen, Electronic energy gap

• C-H-N-O
• Br-C-H-N-Pb-S
• O-P-W
• O-P-Rb-Zn
• Sb-Se-Tl
• values of electronic energy gap
• energy gap for direct transition
• thermal energy gap
• pnictogen
• non-disordered
• chalcogen
• quaternary
• monoclinic