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Low-Temperature Molten Salt Synthesis and Characterization of Nanowire-Like TaB2 Powder

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Abstract

TaB2 nanopowder has been prepared by the molten salt synthesis (MSS) technique. Nanowire-like TaB2 nanopowder was successfully synthesized by reacting in the Ta2O5–MgB2 system using KCl/NaCl as reaction media. The impact of the firing temperature (800°C to 1000°C), firing time (1 h to 4 h), and ratio of reactants to salt (1:0, 1:2, 1:5, and 1:10) on the preparation of the TaB2 nanopowder was examined. The resultant powder samples were characterized by scanning electron microscopy (SEM), x-ray diffraction (XRD) analysis, transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), and surface area analysis (SAA). The results showed that the reaction involved in the formation of crystalline TaB2 nanopowder could be completed successfully at 1000°C after 4 h of firing when the mass ratio of reactants to salt was 1:5. The resulting TaB2 nanopowders exhibited nanowire-like morphology.

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Acknowledgements

The author acknowledges financial support from the Chinese Academy of Sciences under the President’s International Support Initiative (PIFI) for postdoctoral researchers No. 2017PE0006.

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  1. State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China

    Liaqat Ali Shah

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  1. Liaqat Ali Shah
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Shah, L.A. Low-Temperature Molten Salt Synthesis and Characterization of Nanowire-Like TaB2 Powder. JOM 73, 1023–1029 (2021). https://doi.org/10.1007/s11837-020-04509-6

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  • DOI: https://doi.org/10.1007/s11837-020-04509-6

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