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

• Fe-O-Si
• H-Na-O-Si-Zr
• Al-Fe-H-Mg-O-Si
• H-Na-O-Si-Ti
• Ag-Al-H-O-Si
• values of electronic energy gap
• energy gap for direct transition
• transitional
• metalloid
• chalcogen
• disordered
• monoclinic
• orthorhombic
• hexagonal
• trigonal
• triclinic