Alkaline, Chalcogen, Oxide, Kennedy, Optical properties

• Ba-Nb-O-Pr-Sn
• Ba-Nb-O-Sn-Tb
• O-Sr-U
• Ba-Nb-O-Pr
• Ba-O-Ru-Sr-Y
• optical spectra
• X-ray absorption near-edge spectra
• phonons
• vibrational spectra
• luminescence
• chalcogen
• oxide
• alkaline
• transitional
• perovskite
• monoclinic
• orthorhombic
• tetragonal
• cubic
• trigonal