Disordered, Electronic energy gap, Hexagonal, O-Si

• Al-H-Na-O-Si
• Al-N-O-Si
• La-O-Si-Sr
• Al-C-H-Na-O-Si
• Al-K-Na-O-Si
• values of electronic energy gap
• energy gap for direct transition
• thermal energy gap
• chalcogen
• disordered
• metalloid
• orthosilicate