Cell and atoms, Chalcogen, Electronic energy gap, Orthorhombic

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