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

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