EFFECTS OF Cr2O3 ON STRUCTURAL, DIELECTRIC, AND ELECTRICAL PROPERTIES OF (Pb0.95Sr0.05)(Zr0.53Ti0.47)O3 CERAMICS

Abstract

Compositions with x=0.1, 0.2, 0.4, and 0.5 in the system ( Pb 0.95 Sr 0.05)·( Zr 0.53 Ti 0.47) O 3+x wt % Cr 2 O 3 (PSZTC) were synthesized using conventional ceramic method. Addition of Cr 2 O 3 stabilized the tetragonal phase against the rhombohedral one. Scanning electron microscopy (SEM) showed a decrease of the mean grain size when increasing the doping level. The permittivity and electrical conductivities of the PSZTC compounds have been investigated and the activation energies were calculated.