Infrared spectra, Kim

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