Electronic energy gap, Quaternary, S-Si

• Ba-Ga-S-Si
• Cu-S-Si-Zn
• Ag-Ce-S-Si
• Ag-S-Si-Zn
• Bi-K-S-Si
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• metalloid
• quaternary
• chalcogen
• sulfide
• hexagonal
• monoclinic
• orthorhombic
• tetragonal
• trigonal