Electronic energy gap, Na-O-S

• H-Na-O-S
• H-Na-O-S-U
• Na-O-S-V
• Fe-H-Na-O-S
• values of electronic energy gap
• spin-orbit splitting of valence band
• energy gap for direct transition
• energy gap for indirect transition
• chalcogen
• alkali
• non-disordered
• sulfate
• monoclinic
• orthorhombic
• triclinic
• trigonal
• cubic