Chromium-Doped ZnO Nanoparticles Synthesized by Co-Precipitation: Chromium Effects

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DOI: 10.4236/msa.2013.49065    4,940 Downloads   8,903 Views  Citations

ABSTRACT

The influence of chromium doping on the physical properties of ZnO nanoparticles synthesized using a low temperature co-precipitation technique is presented. In particular, we have studied the correlation between the structural and the magnetic properties as a function of chromium concentrations. In order to investigate the magnetic properties, vibrating sample magnetometry and electron spin resonance were employed. X-ray diffraction, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy and UV-Vis spectroscopy were used. X-ray diffraction patterns of all the samples showed peaks consistent with a hexagonal wurzite structure. The structure and composition analyses revealed that chromium is incorporated into the lattice structure, forming a solid solution instead of precipitates. All of the samples in this study exhibit ferromagnetic behavior. The implications of the effects of chromium are also discussed.

 

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S. Sartiman, N. Djaja and R. Saleh, "Chromium-Doped ZnO Nanoparticles Synthesized by Co-Precipitation: Chromium Effects," Materials Sciences and Applications, Vol. 4 No. 9, 2013, pp. 528-537. doi: 10.4236/msa.2013.49065.

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