Hildebrand

• Se-Ti
• As-Ga
• Co-Li-Mn-Ni-O
• Co-Li-Mn-Ni-O-Sn
• O-Sm-Ti
• structural properties
• optical properties
• electronic energy gap
• values of electronic energy gap
• chalcogen
• transitional
• binary
• metalloid
• isopolyhedral
• cubic
• trigonal