Chalcogen, Transitional, Kennedy, Optical properties

• Ba-Nb-O-Pr-Sn
• Ba-Nb-O-Sn-Tb
• Ba-O-Ru-Sr-Y
• Ba-Nb-O-Pr
• Ca-Mn-O
• optical spectra
• X-ray absorption near-edge spectra
• phonons
• vibrational spectra
• wavenumber of optical phonon
• chalcogen
• transitional
• oxide
• alkaline
• disordered
• orthorhombic
• cubic
• monoclinic
• tetragonal
• trigonal