Alkaline, Non-disordered, Ternary, Phonons, Trigonal

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