Electronic energy gap, Quaternary, Transitional

• Fe-H-O-P
• La-Mn-O-Sr
• Fe-H-O-S
• H-O-P-Zn
• Co-H-O-P
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• thermal energy gap
• polaron formation energy
• transitional
• quaternary
• chalcogen
• disordered
• monoclinic
• orthorhombic
• cubic
• tetragonal
• trigonal