Electronic energy gap, Fe

• Fe-Si
• Fe-O
• Fe-S
• Fe-H-O-P
• Bi-Fe-O
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• thermal energy gap
• charge-transfer energy
• transitional
• chalcogen
• disordered
• non-disordered
• cubic
• orthorhombic
• monoclinic
• tetragonal
• trigonal