Chalcogen, Electronic energy gap, O-Si, Orthorhombic

• Na-O-Si
• Mg-O-Si
• Al-Ca-H-O-Si
• Al-H-Na-O-Si
• values of electronic energy gap
• energy gap for indirect transition
• energy gap for direct transition
• spin-orbit splitting of valence band
• thermal energy gap
• chalcogen
• metalloid
• silicate
• non-disordered