Energy gap for direct transition, Non-disordered, Ternary

• O-Sr-Ti
• Bi-Fe-O
• Cu-Ga-Se
• Cu-In-Se
• Cd-Ga-Se
• ternary
• non-disordered
• transitional
• chalcogen
• tetragonal
• trigonal
• cubic
• hexagonal
• orthorhombic