Be-Ca, Chalcogen, Metalloid

• Al-Be-Ca-H-O-Si
• Be-Ca-Er-Fe-O-Si-Y
• Be-Ca-Dy-Fe-O-Si-Y
• Be-Ca-Ce-Fe-O-Si-Y
• Be-Ca-Eu-Fe-O-Si-Y
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• phase transitions
• Seebeck coefficient
• alkaline
• chalcogen
• metalloid
• multinary
• monoclinic
• orthorhombic
• trigonal
• tetragonal
• hexagonal