Energy gap for indirect transition, Lanthanoid, Non-disordered, Ternary

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