Electronic and electrical properties, Na-S, Sulfide, Trigonal

• Na-S-V
• Cd-Li-Na-S
• Na-S-Sc
• Cr-Na-S
• Na-S-Y
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• chalcogen
• sulfide
• alkali
• transitional
• ternary