Borate, Chalcogen, Orthorhombic, Phonons

• B-Br-O-Pb
• B-Ba-F-O
• B-Bi-O
• B-Li-Na-O
• B-Bi-O-Pr-Zn
• infrared spectra
• wavenumber of optical phonon
• Raman spectra
• vibrational spectra
• wavenumber of longitudinal optical phonon
• chalcogen
• borate
• metalloid
• non-disordered
• quaternary