Borate, Chalcogen, Metalloid, Quaternary, Phonons

• B-Fe-H-O
• B-H-Na-O
• B-Br-O-Pb
• B-Eu-La-O
• B-Ba-F-O
• infrared spectra
• wavenumber of optical phonon
• Raman spectra
• vibrational spectra
• wavenumber of longitudinal optical phonon
• quaternary
• metalloid
• chalcogen
• borate
• non-disordered
• monoclinic
• orthorhombic
• trigonal
• triclinic
• tetragonal