%0 Journal Article %A Solanki, Ravindra Singh %A Senyshyn, Anatoliy %A Pandey, Dhananjai %T Space group symmetries of the phases of (Pb<sub>0.94</sub>Sr<sub>0.06)</sub>(Zr<sub>x</sub>Ti<sub>1−x</sub>)O<sub>3</sub> across the antiferrodistortive phase transition in the composition range 0.620 ≲ x ≲ 0.940 %J Physical review / B %V 90 %N 21 %@ 1098-0121 %C College Park, Md. %I APS %M PUBDB-2015-04160 %P 214110 %D 2014 %X The existing controversies about the space group symmetries of Pb(Zr<sub>x</sub>Ti<sub>1−x</sub>)O<sub>3</sub> (PZT) above and below the antiferrodistortive (AFD) phase-transition temperature (T<sub>AFD</sub>) in the Zr<sup>4+</sup>-rich (0.620 ≲ x ≲ 0.940) compositions are addressed using the results of dielectric, synchrotron x-ray powder diffraction (SXRPD) and neutron powder diffraction (NPD) studies. These compositions undergo an AFD phase transition above room temperature due to tilting of oxygen octahedra leading to a superlattice phase of PZT. We have substituted 6 %F PUB:(DE-HGF)16 %9 Journal Article %U <Go to ISI:>//WOS:000347121800001 %R 10.1103/PhysRevB.90.214110 %U https://bib-pubdb1.desy.de/record/275660