Chalcogen, Conductor, O-V, Optical absorption

• Na-O-V
• Bi-O-V
• Ba-Bi-O-V
• Al-Bi-O-V
• values of optical absorption
• optical absorption coefficient
• transitional
• chalcogen
• conductor
• semiconductor
• oxide
• monoclinic
• orthorhombic
• tetragonal
• hexagonal
• cubic