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|Influence of Mg doping on dielectric and optical properties of ZnO nano-plates prepared by wet chemical method
Belsley, Michael Scott
Ferreira, J. M. F.
|PERGAMON-ELSEVIER SCIENCE LTD
|Mg-doped ZnO nano-plates were successfully prepared by the low cost wet chemical method. X-ray diffraction (XRD) pattern revealed a polycrystalline pure hexagonal wurtzite structure. Scanning electron microscopy (SEM) was used to study the morphology of the synthesized samples. Further, Energy-dispersive X-ray spectroscopy (EDS) measurement confirmed the presence of Mg elements in the ZnO matrix. The UV-visible reflectance spectroscopy was applied to study the effect of dopant on band gap of pure ZnO. The result showed a slight decrease in the band gap with Mg doping. In addition, the dielectric analyses of the obtained samples were done in a wide frequency range and electronic properties of the pure and doped samples were analyzed using various theoretical models. These results suggested that the Mg-doped ZnO nano-plates have potential applications in the optoelectronic devices. The results were analyzed in derail. (C) 2014 Elsevier Ltd. All rights reserved.
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|Influence of Mg doping on dielectric and optical properties of ZnO nano-plates prepared by wet chemical method_10.1016j.ssc.2014.07.011.pdf
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