Chalcogen, Non-disordered, Quaternary, Electronic energy gap, Kim

• Ba-Nb-O-P
• Ag-Co-Ga-Se
• Ba-Ho-In-S
• Ba-Er-In-S
• Ba-Er-In-Se
• values of electronic energy gap
• energy gap for direct transition
• thermal energy gap
• temperature derivative of energy gap
• energy gap for indirect transition
• quaternary
• chalcogen
• non-disordered
• transitional
• luminescent
• orthorhombic
• tetragonal
• monoclinic
• trigonal
• hexagonal