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Home / Journal of Nanoscience and Nanotechnology, Volume 18, Number 3

Synthesis of Nanoscale Fully Stabilized Zirconia Powders by Urea Hydrolysis, Sintering and Electrical Characterization

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Active nanoscale powders of cubic phase zirconia stabilized with yttria, gadolinia, and scandia were successfully prepared by urea hydrolysis. Synthetic cubic zirconia powders had homogeneous, nanoscale, and less-agglomeration characteristics. Dense pellets of grain size about 0.4 μm exhibited grain boundary blocking resistance compared to the high frequency bulk resistance. Gadolinium doped system exhibited highest ionic resistivity. Yttria stabilized zirconia by urea hydrolysis in this work showed smaller ionic resistivity than the sample prepared from the commercial powder.

Keywords: Conductivity; Grain Boundary; Nanoscale Zirconia Powders; Urea Hydrolysis

Document Type: Research Article

Affiliations: 1: Department of Materials Science and Engineering, Chosun University, Gwangju 61452, Korea 2: School of Materials Science and Engineering, Chonnam National University, Gwangju 61186, Korea

Publication date: 01 March 2018

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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