Cell and atoms, Chalcogen, Disordered, Electronic energy gap, Si

• Al-H-Na-O-Si
• Al-Ca-H-O-Si
• Al-H-Mg-O-Si
• Al-Na-O-Si
• Al-K-O-Si
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• disordered
• metalloid
• chalcogen
• silicate
• monoclinic
• hexagonal
• orthorhombic
• cubic
• trigonal