Chalcogen, Infrared spectra, Kim

• O-Si
• Cl-Eu-O-P-Sr
• Eu-F-O-P-Sr
• Br-Eu-O-P-Sr
• Fe-O-Zn
• chalcogen
• non-disordered
• oxide
• transitional
• quaternary
• hexagonal
• orthorhombic
• tetragonal
• monoclinic
• trigonal