Imaginary part of permittivity, Nb-O

• Mg-Nb-O-Pb-Ti
• Bi-Nb-O-Sr
• Nb-O-Pb-Ti-Zn
• K-Nb-O-Ta
• In-Nb-O-Pb-Ti
• chalcogen
• transitional
• nonmetal
• oxide
• ferroelectric
• cubic
• tetragonal
• orthorhombic
• monoclinic
• trigonal