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NbO disintegration by surfactant-assisted high-energy ball milling

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Inorganic Materials Aims and scope

Abstract

Macrocrystalline niobium monoxide powder has been disintegrated to an average nanoparticle size of 20 ± 10 nm by high-energy milling in a planetary ball mill. X-ray diffraction data showed that, after milling, the particles retained an ordered cubic crystal structure with space group \(Pm\bar 3m\), containing structural vacancies in both the metallic (25 at %) and nonmetallic (25 at %) sublattices. Analysis of diffraction line broadening as a function of the magnitude of the scattering vector indicated lattice strain anisotropy in the crystallographic directions [100], [110], and [111]. According to the diffraction line broadening data, the size of the nanoparticles in the [100] direction was smaller than those in the [110] and [111] directions. The use of surfactants enabled us to obtain a stable suspension of niobium monoxide nanoparticles in water.

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Authors and Affiliations

  1. Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences, Pervomaiskaya ul. 91, Yekaterinburg, 620990, Russia

    A. A. Valeeva & A. A. Rempel

  2. Ural Federal University named after First President of Russia B.N. Yeltsin, ul. Mira 19, Yekaterinburg, 620002, Russia

    A. A. Valeeva & A. A. Rempel

  3. Institute for Electron Microscopy and Nanoanalysis, Graz University of Technology, Steyrergasse 17/III, A-8010, Graz, Austria

    H. Schroettner

Authors
  1. A. A. Valeeva
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  2. H. Schroettner
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  3. A. A. Rempel
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Correspondence to A. A. Valeeva.

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Original Russian Text © A.A. Valeeva, H. Schroettner, A.A. Rempel, 2014, published in Neorganicheskie Materialy, 2014, Vol. 50, No. 4, pp. 430–435

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Valeeva, A.A., Schroettner, H. & Rempel, A.A. NbO disintegration by surfactant-assisted high-energy ball milling. Inorg Mater 50, 398–403 (2014). https://doi.org/10.1134/S0020168514040177

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  • DOI: https://doi.org/10.1134/S0020168514040177

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