Alkaline, Non-disordered, Transitional, Phonons, Trigonal

• Ca-Mn-O
• Ba-O-V
• O-Sr-V
• Ba-O-Ti
• Ba-Ca-Nb-O
• Raman spectra
• infrared spectra
• wavenumber of optical phonon
• vibrational spectra
• transitional
• alkaline
• non-disordered
• chalcogen
• ternary