Chalcogen, Conductor, Electronic energy gap, Orthorhombic

• S-Sn
• Se-Sn
• Li-O-V
• Ge-S
• Ba-Cu-F-O-Y
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• thermal energy gap
• polaron formation energy
• conductor
• chalcogen
• semiconductor
• transitional
• non-disordered