Apatite, Chalcogen, Disordered, Electronic energy gap, Hexagonal

• La-O-Si-Sr
• Ge-La-Na-O
• Ba-F-O-V
• Am-O-Si-Sr
• Am-O-Si
• values of electronic energy gap
• energy gap for direct transition
• thermal energy gap
• energy gap for indirect transition
• spin-orbit splitting of valence band
• apatite
• chalcogen
• disordered
• rare earth