Cell-only, Chalcogen, Oxide, Transitional, Electronic energy gap

• Bi-Mo-O
• K-Nb-O
• Co-La-O
• Ba-Fe-O
• Bi-O-W
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• transitional
• oxide
• cell-only
• chalcogen
• orthorhombic
• monoclinic
• tetragonal
• trigonal
• cubic