High-Pressure Reorganization of the Fractal Pore Structure in Detonation Nanodiamond Powders

Authors

  • L.A. Bulavin Taras Shevchenko National University of Kyiv, Faculty of Physics
  • O.V. Tomchuk Taras Shevchenko National University of Kyiv, Faculty of Physics, Joint Institute for Nuclear Research, Institute of Environmental Geochemistry, Nat. Acad. of Sci. of Ukraine
  • A.V. Nagornyi Taras Shevchenko National University of Kyiv, Faculty of Physics, Joint Institute for Nuclear Research, Institute of Environmental Geochemistry, Nat. Acad. of Sci. of Ukraine
  • D.V. Soloviov Joint Institute for Nuclear Research, Institute for Safety Problems of Nuclear Power Plants, Nat. Acad. of Sci. of Ukraine, Moscow Institute of Physics and Technology

DOI:

https://doi.org/10.15407/ujpe66.7.635

Keywords:

detonation nanodiamonds, porosity, fractal clusters, high pressure, small-angle neutron scattering, X-ray diffraction analysis

Abstract

Diamond nanoparticles have significant prospects for technological applications, so their manufacture and subsequent disaggregation are a challenging task. In this paper, the porous structure of aggregates in detonation nanodiamond powders has been analyzed using small-angle neutron scattering. The influence of high pressure allowed the contributions to the small-angle scattering from micro- and nano-sized pores to be separated. The type of fractal clusters formed by nanopores was determined. The possibility of a partial mechanical disaggregation of nanodiamond particles at a pressure of 1.5 GPa is confirmed.

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Published

2021-08-04

How to Cite

Bulavin, L., Tomchuk, O., Nagornyi, A., & Soloviov, D. (2021). High-Pressure Reorganization of the Fractal Pore Structure in Detonation Nanodiamond Powders. Ukrainian Journal of Physics, 66(7), 635. https://doi.org/10.15407/ujpe66.7.635

Issue

Section

Structure of materials

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