Birefringent, Chalcogen, Optical properties

• Li-Nb-O
• Ag-Ga-S
• Ni-O
• Cd-Se
• Ba-Na-Nb-O
• phonons
• refractive index
• optical absorption
• luminescence
• non-linear optics
• chalcogen
• birefringent
• nonmetal
• non-disordered
• transitional
• tetragonal
• trigonal
• orthorhombic
• monoclinic
• hexagonal