Disordered, Optical properties, Sscoa4, Trigonal

• Fe-O
• Ni-O
• S-Sn
• Li-Nb-O
• Ge-Te
• phonons
• optical spectra
• Raman spectra
• reflectivity
• optical absorption
• disordered
• chalcogen
• non-disordered
• transitional
• binary