Cell and atoms, Electronic energy gap, O

• C-H-N-O
• O-Si
• Al-H-Na-O-Si
• H-N-O-P
• H-Na-O-P
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• chalcogen
• transitional
• non-disordered
• oxide
• monoclinic
• orthorhombic
• cubic
• tetragonal
• trigonal