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Preparation and characterization of nanocrystalline chromium boride

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Abstract

Nanocrystalline chromium boride (CrB) powders were successfully synthesized at 600 °C through a solid-state reaction. The synthesis was carried out in an autoclave by using CrCl3, Mg and MgB2 as the reactants. The X-ray powder diffraction pattern indicates the formation of orthorhombic CrB. Transmission electron microscopy image shows that typical CrB crystallites are composed of floss-like particles with less than 10 nm in diameter and about 50–100 nm in length. Thermogravimetric analysis revealed that the oxidation resistance for nanocrystalline CrB is much lower than that of bulk CrB.

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Acknowledgements

This work was supported by the Key Project of Science and Technology Research of Education Ministry of China, the Natural Science Foundation of Heilongjiang Province, the Postdoctoral Start-up Found of Heilongjiang Province, the Skeleton Teacher Innovative Ability Project of General high-Level College of Heilongjiang Province, the Science and Research Supported Project of the Oversea Person with Ability, Education Bureau of Heilongjiang Province.

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Authors and Affiliations

  1. Department of Physics, Harbin Normal University, Harbin, 150080, P.R. China

    Li Qin, Xitian Zhang, Yao Liang, E. Zhang & Hong Gao

  2. Department of Applied Physics, Harbin Institute of Technology, Harbin, 150001, P.R. China

    Hong Gao & Zhiguo Zhang

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  1. Li Qin
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  2. Xitian Zhang
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  3. Yao Liang
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  4. E. Zhang
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  5. Hong Gao
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  6. Zhiguo Zhang
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Correspondence to Xitian Zhang.

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Qin, L., Zhang, X., Liang, Y. et al. Preparation and characterization of nanocrystalline chromium boride. J Mater Sci 41, 7617–7619 (2006). https://doi.org/10.1007/s10853-006-0853-6

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  • DOI: https://doi.org/10.1007/s10853-006-0853-6

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