Ba-O-Ti, Chalcogen, Conductor, Disordered, Phonons

• Ba-Nd-O-Ti
• Ba-O-Ti-Zr
• Ba-O-Sr-Ti
• Ba-Ca-Cu-O-Ti-Tl
• Raman spectra
• wavenumber of optical phonon
• infrared spectra
• wavenumber of transverse optical phonon
• energy of optical phonon
• conductor
• disordered
• chalcogen
• alkaline
• oxide
• tetragonal
• cubic
• orthorhombic
• hexagonal
• monoclinic