Chalcogen, Quaternary, Cmatex, Optical properties

• Ba-Mo-O-Te
• Gd-In-O-Sc
• Eu-Ge-Li-S
• Bi-Ge-O-Sm
• Cd-Cs-Ga-S
• phonons
• optical spectra
• luminescence
• infrared spectra
• Raman spectra
• chalcogen
• quaternary
• transitional
• conductor
• semiconductor
• orthorhombic
• monoclinic
• tetragonal
• trigonal
• hexagonal