The scale of magnetic correlations in materials based on reduced graphene oxide (RGO) has been estimated for the first time using the method of small-angle scattering of polarized neutrons. This information cannot be obtained by other methods. Experiments have demonstrated the presence of small-angle magnetic-nuclear interference scattering for both original RGO and an RGO-based composite in magnetized fields H about 1 T, which unequivocally indicates the presence of magnetized areas on the scale of 1000 Å in the studied materials.
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ACKNOWLEDGMENTS
This work is based on experiments carried out on a KWS-1 facility, Jülich Centre for Neutron Science at MLZ (Garching, Germany).
Funding
A.N. Bugrov, R.Yu. Smyslov, and V.V. Runov acknowledge the support of the Russian Foundation of Basic Research (project no. 20-02-00918 А).
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Runov, V.V., Bugrov, A.N., Smyslov, R.Y. et al. Magnetic Neutron Scattering in Reduced Graphene Oxide. Jetp Lett. 113, 384–388 (2021). https://doi.org/10.1134/S0021364021060102
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DOI: https://doi.org/10.1134/S0021364021060102