Alkali, Non-disordered, Ternary, Transitional, Phonons, Trigonal

• Li-Nb-O
• Li-O-Ta
• Co-Li-O
• Li-O-Os
• Li-Ni-O
• Raman spectra
• infrared spectra
• vibrational spectra
• wavenumber of optical phonon
• wavenumber of longitudinal optical phonon
• ternary
• transitional
• alkali
• non-disordered
• chalcogen