Birefringent, Chalcogen, Non-disordered, Ternary, Phonons

• Li-Nb-O
• I-S-Sb
• Gd-Mo-O
• B-Cu-O
• Ag-Ga-S
• wavenumber of optical phonon
• Raman spectra
• vibrational spectra
• infrared spectra
• wavenumber of transverse optical phonon
• non-disordered
• ternary
• birefringent
• chalcogen
• nonmetal
• trigonal
• tetragonal
• orthorhombic
• cubic
• hexagonal