Nuclear Physics and Atomic Energy


Nuclear Physics and Atomic Energy

  ISSN: 1818-331X (Print), 2074-0565 (Online)
  Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine
  Languages: Ukrainian, English, Russian
  Periodicity: 4 times per year

  Open access peer reviewed journal


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Nucl. Phys. At. Energy 2015, volume 16, issue 2, pages 198-202.
Section: Engineering and Methods of Experiment.
Received: 02.04.2015; Accepted: 11.06.2015; Published online: 20.07.2015.
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https://doi.org/

Investigation of the cluster structure in aqueous suspensions of nanodiamonds by small-angle neutron scattering

L. A. Bulavin1,2, O. V. Tomchuk1,3,*, M. V. Avdeev3

1 Taras Shevchenko National University, Kyiv, Ukraine
2 Institute for Safety Problems of Nuclear Power Plants, National Academy of Sciences of Ukraine, Kyiv, Ukraine
3 Joint Institute for Nuclear Research, Dubna, Russia


*Corresponding author. E-mail address: tomchuk@jinr.ru

Abstract: The paper presents the results of the structural study of various types of the water-detonation nanodiamond liquid systems, which are obtained by small-angle scattering of thermal neutrons. It was shown that in the mass fraction range (0.3 - 1.8) % the experimental spectra are well described by a two-level model of unified exponential/power-law approach. The resulting structural parameters allowed us to estimate the aggregation number in the studied systems. Sizes of the nanodiamond particles and their clusters are found as well as the fractal dimension of the latter.

Keywords: detonation nanodiamonds, small-angle neutron scattering, fractal clusters, aggregation number.

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