Alkali, Chalcogen, Transitional, Electronic energy gap, Tetragonal

• K-Nb-O
• Fe-K-Se
• K-O-V
• F-Na-O-P-V
• Hg-K-Se
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• thermal energy gap
• spin-orbit splitting of valence band
• transitional
• chalcogen
• alkali
• disordered