Be-x polyhedra, Binary, Electronic energy gap

• Be-S
• Be-Se
• B-C
• Be-O
• Be-Te
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• pressure derivative of energy gap for indirect transition
• pressure derivative of energy gap for direct transition
• binary
• alkaline
• non-disordered
• intermetallic
• cubic
• hexagonal
• trigonal
• tetragonal
• orthorhombic