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Electrical properties of Mg doped ZnSxO1-x nanocomposites | Abstract
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Abstract

Electrical properties of Mg doped ZnSxO1-x nanocomposites

Author(s): M. Vimalan, T. Rajesh Kumar, I. Vetha Potheher, M. Gulam Mohamed, CK. Mahadevan

Magnesium doped ZnSxO1-x (x = 0.0, 0.2, 0.4, 0.5, 0.6, 0.8 and 1.0) nano composites were prepared by the microwave assisted solvothermal method using a domestic microwave oven for the first time. The colour, yield percentage and the preparation time were noted. The samples were annealed at 200oC for 1 hr to improve the ordering. Their grain size and structure were determined by X-ray powder diffraction measurements. AC and DC electrical measurements were carried out on palletized samples at various temperatures ranging from 40-150 oC by the parallel plate capacitor method. The electrical parameters increase with increasing temperature. Results of the present study reveal that the space charge contribution plays a significant role in the charge transport process and polarizability in all the seven nanocrystals studied.