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Synthesis of PMN pyrochlore free ceramics via a modified mixed oxide method

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Abstract

A modified mixed oxide method which is based on a two step reaction sintering process was designed to obtain single phase PMN ceramics. In this regard, pyrochlore phase formation during calcination process at different calcination temperatures was studied to determine the best soaking temperature for the first step in the specified method. In other words, the calcination temperature in which the least pyrochlore phase produced was chosen as the first step soaking temperature. The results showed that by utilizing this new method, single phase PMN ceramics with a high relative density of 98% can be synthesized successfully using conventional mixed oxide starting materials.

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Acknowledgement

We thank Ms. Sohrabi for her kind assistance through out the project.

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Authors and Affiliations

  1. Materials Science and Engineering Department, Sharif University of Technology, Tehran, 11365-9466, Iran

    Pouya Moetakef & Z. Ali Nemati

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  1. Pouya Moetakef
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  2. Z. Ali Nemati
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Correspondence to Z. Ali Nemati.

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Moetakef, P., Nemati, Z.A. Synthesis of PMN pyrochlore free ceramics via a modified mixed oxide method. J Electroceram 19, 207–213 (2007). https://doi.org/10.1007/s10832-007-9320-2

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  • DOI: https://doi.org/10.1007/s10832-007-9320-2

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