Alkaline, Chalcogen, Be, Orthorhombic

• Al-Be-O
• Be-Na-O-Si
• Be-H-O
• Al-Be-Ca-H-O-Si
• Al-Be-Cr-O
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• phase transitions
• mechanical properties
• chalcogen
• alkaline
• non-disordered
• quaternary