Alkaline, Disordered, Oxide, Dielectric loss tangent, Orthorhombic

• Bi-O-Sr-Ti
• Bi-O-Sr-Ta
• Ba-Bi-O-Ti
• Bi-Nb-O-Sr
• Ba-Bi-Nb-O-Pb
• disordered
• oxide
• alkaline
• chalcogen
• transitional