Muthu, Phonons

• O-Re
• Bi-Se
• Mo-O-Zr
• As-Ca-Co-Fe
• O-P-Zr
• wavenumber of optical phonon
• Raman spectra
• vibrational spectra
• infrared spectra
• chalcogen
• transitional
• non-disordered
• conductor
• pnictogen
• cubic
• orthorhombic
• monoclinic
• trigonal
• tetragonal