Alkali, Chalcogen, Non-disordered, Electronic energy gap, Trigonal

• Li-Nb-O
• Li-O-V
• Li-O-Ta
• Mo-Rb-Se
• Ba-Mo-O-Rb
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• spin-orbit splitting of valence band
• non-disordered
• alkali
• chalcogen
• transitional