Conductor, Metalloid, Ketterson

• As-Na-Se
• As-Li-Na-Se
• As-Li-Se
• As-Li-S
• As-Li-Na-S
• optical properties
• electronic and electrical properties
• phonons
• electronic energy gap
• Raman spectra
• metalloid
• conductor
• semiconductor
• chalcogen
• alkali
• monoclinic
• orthorhombic
• trigonal
• tetragonal
• hexagonal