Optical and Dielectric studies in zirconium(IV) tungstate nanoparticles prepared by chemical coprecipitation method

Abstract

Nanoparticles of zirconium(IV) tungstate are prepared by chemical co-precipitation method. The<br />characterizations have been carried out by TG/DTA, DSC, AFM, XRD, FTIR and UV-Vis spectrum. PL<br />spectrum shows two emission bands at 350 nm and at 477 nm. The effects of frequency on the dielectric<br />behavior and ac electrical conductivity have been studied. The dielectric constant is found to be 119.43 at<br />1MHz. The ac conductivity is 7.29x10-8S/cm.