Chalcogen, Dielectric loss tangent, Nb

• K-Na-Nb-O
• Nb-O-Pb-Ti-Zn
• K-Li-Na-Nb-O-Sb
• Fe-Nb-O-Pb
• Mg-Nb-O-Pb-Ti
• transitional
• chalcogen
• nonmetal
• ferroelectric
• oxide
• tetragonal
• cubic
• orthorhombic
• trigonal
• monoclinic