Chalcogen, Trioxotellurate, Electronic energy gap

• K-O-Te-U
• K-O-Te
• Ca-O-Te
• Cl-Cu-O-Te
• Ba-La-O-Te
• values of electronic energy gap
• energy gap for indirect transition
• energy gap for direct transition
• trioxotellurate
• metalloid
• chalcogen
• non-disordered
• monoclinic
• triclinic
• orthorhombic
• trigonal
• hexagonal