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

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