Chalcogen, Chloride, Electronic energy gap, Tetragonal

• Bi-Cl-O
• Cl-Co-O-Sr
• Bi-Cl-Fe-O-Pb
• Cl-Co-Fe-O-Sr
• Cl-Eu-O
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• thermal energy gap
• halogen
• chloride
• chalcogen
• transitional