Chalcogen, Dielectric loss tangent, Phybe3

• Bi-Nb-O-Sr
• Bi-Fe-O
• Ba-O-Sr-Ti
• Ba-O-Pb-Ti-Zr
• Bi-Na-Nb-O-Ti
• chalcogen
• transitional
• nonmetal
• oxide
• alkaline
• cubic
• tetragonal
• trigonal
• orthorhombic
• monoclinic