Alkali, Cell and atoms, Non-disordered, Energy gap for indirect transition

• Li-P
• Cl-K-Mg
• Br-Ca-Rb
• Al-F-Rb
• Al-F-K
• non-disordered
• alkali
• ternary
• transitional
• tetragonal
• cubic
• trigonal
• hexagonal
• orthorhombic