Alkaline, Apatite, Electronic energy gap, Hexagonal

• La-O-Si-Sr
• F-O-Sr-V
• Ca-F-La-O-P-Si
• Ba-F-O-V
• Am-O-Si-Sr
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• spin-orbit splitting of valence band
• apatite
• alkaline
• chalcogen
• disordered