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Determining the structural parameters of fractal and nonfractal objects in multiple small-angle neutron scattering experiments

  • Order, Disorder, and Phase Transitions in Condensed Systems
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Abstract

An experimental procedure employing setups with standard resolution characteristics for multiple small-angle neutron scattering in fractal and nonfractal media is described. Specific features of the proposed method, which are related to a limited resolution of the spectrometer, are considered in the case of large-scale inhomogeneities with the characteristic size exceeding the inverse spatial resolution. A new approach to the extraction of information about the fractal dimension of the system studied is demonstrated, which takes into account the dependence of the attenuation and broadening of the transmitted neutron beam on the sample thickness.

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Authors and Affiliations

  1. Petersburg Nuclear Physics Institute, Russian Academy of Sciences, Gatchina, Leningradskaya oblast, 188300, Russia

    G. P. Kopitsa, S. V. Grigoriev & V. V. Runov

  2. GKSS Research Centre, D-21502, Geesthacht, Germany

    V. M. Garamus & D. Bellmann

Authors
  1. G. P. Kopitsa
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  2. S. V. Grigoriev
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  3. V. V. Runov
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  4. V. M. Garamus
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  5. D. Bellmann
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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 128, No. 3, 2005, pp. 497–507.

Original Russian Text Copyright © 2005 by Kopitsa, Grigoriev, Runov, Garamus, Bellmann.

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Kopitsa, G.P., Grigoriev, S.V., Runov, V.V. et al. Determining the structural parameters of fractal and nonfractal objects in multiple small-angle neutron scattering experiments. J. Exp. Theor. Phys. 101, 427–436 (2005). https://doi.org/10.1134/1.2103211

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  • DOI: https://doi.org/10.1134/1.2103211

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