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

• La-O
• Ba-Cu-F-O-Y
• As-La
• Co-La-O
• Al-C-Sc
• rare earth
• non-disordered
• transitional
• ternary
• chalcogen
• trigonal
• cubic
• orthorhombic
• hexagonal
• tetragonal