Birefringent, Chalcogen, Nonmetal, Li-Nb-O, Trigonal

• Li-Mg-Nb-O
• Dy-Li-Nb-O
• Fe-Li-Nb-O-Zr
• Ho-Li-Nb-O-Tm-Yb
• optical properties
• structural properties
• electronic and electrical properties
• optical absorption
• phonons
• ferroelectric
• birefringent
• alkali
• chalcogen
• nonmetal