Effect of Pb(Ni1/2W1/2)O3 on the phase transition behavior of PbZrO3 ceramic

Solid solution of (1-x)PbZrO3-xPb(Ni1/2W 1/2)O3;(1-x)PZ-xPNW ceramics, where x = 0.02-0.10, were prepared by solid state reaction. Dense (1-x)PZ - xPNW ceramics were obtained by sintering at 1,100?C for 4 h. Effect of PNW on crystal structure, phase transitions and thermal and electrical properties was investigated using X-ray diffraction, dielectric spectroscopy, hysteresis measurement and differential scanning calorimetry. The results indicated that the solubility limit of the (1-x)PZ-xPNW system was found at x = 0.04. It was proved that the intermediate phase is an antiferroelectric in the PZ-PNW system. Stability of the AFE intermediate phase was seen to improve with increasing PNW content. Copyright © 2013 Taylor & Francis Group, LLC.