Energy gap for direct transition, Non-disordered, Ternary, Transitional

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