Chalcogen, Conductor, Disordered, Monoclinic, Optical properties

• O-V
• Cu-O
• Ga-Se-Tl
• Bi-O-V
• Ga-O
• phonons
• optical spectra
• optical absorption
• luminescence
• Raman spectra
• chalcogen
• disordered
• conductor
• semiconductor
• transitional