Birefringent, Chalcogen, Nonmetal, Optical properties

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