Li-Nb-O, Nb-x polyhedra, Phonons

• Li-Na-Nb-O
• K-Li-Nb-O
• K-Li-Na-Nb-O
• Ba-Li-Nb-O-W
• wavenumber of optical phonon
• Raman spectra
• infrared spectra
• vibrational spectra
• wavenumber of longitudinal optical phonon
• transitional
• chalcogen
• alkali
• oxide
• disordered
• trigonal
• tetragonal
• orthorhombic
• monoclinic
• hexagonal