Cr-DOPED ZnO Prepared by Solid State Reaction Method
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In this paper, the effect of doped concentrations of Cr at ZnO powder has been studied using structur, magnetic and electrical properties has been investigated by X-Ray Diffractometer (XRD), Vibrating Sample Magnetometer (VSM), I-V and C-V measurements. The preparation of doped ZnO was using solid state reaction method with high speedshaker mill and continued with sintering at 9000C for 4 hours. Samples doped with Cr has polycrystalline hexagonal wurtzite structure with increasing Cr composition indicates the presence of impurity. From the results VSM of doping ZnO, Cr showed diamagnetic properties become paramagnetic. The results of the I-V and C-V meter Cr doped ZnO resistivity value increases ,decreases conductivity and dielectric constant decreases.