Borate, Chalcogen, Metalloid, Non-disordered, Nonmetal, Phonons

• B-H-K-Mg-O
• B-Cu-O
• B-Br-O-Pb
• B-Ba-F-O
• B-H-Mg-O
• infrared spectra
• wavenumber of optical phonon
• Raman spectra
• vibrational spectra
• energy of transverse optical phonon
• non-disordered
• metalloid
• chalcogen
• borate
• nonmetal
• orthorhombic
• monoclinic
• trigonal
• triclinic
• tetragonal