Downloading: Preparation and Characterization of ZnO99.5-x NiO0.5 . CuOx Ceramics
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Preparation and Characterization of ZnO99.5-x NiO0.5 . CuOx Ceramics

Osama A. Desouky

Abstract: The microstructure and (I V) characteristics of bodies in the system ZnO99.5-x.NiO0.5.CuOx where x lie between 0.3 to 6 mol % and sintered at 1100-C were verified. The microstructure revealed the presence of ZnO grains embedded in a glassy matrix mainly formed of CuO. The incorporation of CuO reduced the abnormal grain growth of ZnO and improved the nonlinear property of the bodies. Highest coefficient of non-linearity was obtained by the addition of 4.0 mol % CuO, with a value of 115.6.

Keywords: ZnO-NiO-CuO- Ceramics- Resistivity- dielectric constant



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