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Molten salt synthesis of (Zn, Mg) TiO3 micro/nano crystals with pure hexagonal ilmenite structure

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Abstract

The pure hexagonal phase (Zn, Mg) TiO3 (abbreviated to ZMT) micro/nano crystals were prepared by a molten salt method. The influences of the molten salt system and the heat treatment temperature on ZMT crystalline powders phase composition and particles morphology were studied. The results show that the formation of ZMT phase takes place at about 530 °C and the hexagonal phase stability region is 530–810 °C in KCl–NaCl salt system when MgCl2·6H2O taken in excess. Compared to the conventional solid phase process, the formation temperature of hexagonal ZMT via the molten salt method is lower. The ZMT powders prepared by the molten salt method are indicative more uniform grain size distribution and small grain size (the average grain size is about 150 nm).

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Acknowledgments

The work was supported by National Natural Science Foundation of China (Project 51372197) and the Scientific Research Program Funded by Shaanxi Provincial Education Department (Project 14JK1483).

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  1. Department of Materials Science and Engineering, Xi’an University of Science and Technology, Xi’an, 710054, People’s Republic of China

    Xiangchun Liu & Chenguang Zuo

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  1. Xiangchun Liu
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  2. Chenguang Zuo
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Correspondence to Xiangchun Liu.

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Liu, X., Zuo, C. Molten salt synthesis of (Zn, Mg) TiO3 micro/nano crystals with pure hexagonal ilmenite structure. J Mater Sci: Mater Electron 27, 8319–8324 (2016). https://doi.org/10.1007/s10854-016-4840-7

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  • DOI: https://doi.org/10.1007/s10854-016-4840-7

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