Energy gap for indirect transition, Non-disordered, Rare earth, Ternary

• Gd-O-S
• Co-La-O
• Al-C-Sc
• B-Eu-N
• Ce-O-S
• non-disordered
• ternary
• rare earth
• lanthanoid
• trigonal
• tetragonal
• hexagonal
• cubic
• orthorhombic