Ketterson, Optical properties

• As-Li-Na-Se
• Ag-Ga-Se
• As-Na-Se
• Ag-Ba-Se-Sn
• Ag-Ba-S-Se-Sn
• phonons
• Raman spectra
• non-linear optics
• non-linear optical properties
• optical absorption
• chalcogen
• conductor
• semiconductor
• metalloid
• alkali
• monoclinic
• orthorhombic
• tetragonal
• cubic
• trigonal