Specific loss power of epoxy composites with embedded magnetite particles A. P. Safronov, A. Yu. Zubarev, A. D. Maximov, I. V. Beketov and L. Iskakova Eur. Phys. J. Spec. Top., 231 6 (2022) 1181-1186 Published online: 31 March 2022 DOI: 10.1140/epjs/s11734-022-00520-x