Orthorhombic, Pb-Ta

• O-Pb-Ta-Yb
• Eu-Na-O-Pb-Ta-Ti-W
• O-Pb-Sc-Ta
• Bi-O-Pb-Ta
• Ca-O-Pb-Ta
• electronic and electrical properties
• thermal and thermodynamic properties
• permittivity (dielectric constant)
• phase transitions
• temperature for structural transition
• transitional
• chalcogen
• oxide
• nonmetal
• quaternary