Electronic energy gap, Fe-Mg

• Al-Fe-H-Mg-O-Si
• Fe-Mg-O-Si
• Fe-Mg-O
• Fe-H-Mg-O-Si
• Fe-H-K-Mg-O-Si
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• transitional
• alkaline
• disordered
• chalcogen
• monoclinic
• cubic
• orthorhombic
• trigonal
• triclinic