Cell and atoms, Cell-only, Chalcogen, Electronic energy gap

• C-H-N-O
• Bi-Mo-O
• K-Nb-O
• Al-H-Na-O-Si
• Ca-O-Te
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• chalcogen
• cell-only
• non-disordered
• transitional
• monoclinic
• orthorhombic
• trigonal
• tetragonal
• cubic