Chalcogen, Pyrite-marcasite, Electronic and electrical properties, Orthorhombic

• Fe-S
• Fe-Te
• Fe-Sb-Te
• Co-S-Sb
• Cu-S
• conductivity or resistivity
• electrical conductivity
• electronic energy gap
• effective mass
• values of electronic energy gap
• pyrite-marcasite
• chalcogen
• transitional
• non-disordered
• metalloid