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Synthesis, structure and electromagnetic properties of FeCoCu/C nanocomposites

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Artem V. Zorin 2
Artem V. Zorin
1 A.V. Topchiev Institute of Petrochemical Synthesis of the Russian Academy of Sciences, 29 Leninsky Ave., Moscow 119991, Russian Federation
2 National University of Science and Technology “MISIS”, 4-1 Leninsky Ave., Moscow 119049, Russian Federation
3 Volgograd State University, 100 Universitetsky Ave., Volgograd 400062, Russian Federation
4 JSC “Research Institute NPO” LUCH”, 24 Zheleznodorozhnaya Str., Podolsk 142103, Russian Federation
5 North Caucasian Federal University, 1 Pushkin Str., Stavropol 355017, Russian Federation
6 Tomsk State University, 36 Lenin Ave., Tomsk 634050, Russian Federation
10.3897/j.moem.9.1.104721
Published 31 March 2023
Communication , Volume 9, Issue 1, 15-24
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Muratov D. G. et al. Synthesis, structure and electromagnetic properties of FeCoCu/C nanocomposites // Modern Electronic Materials. 2023. Vol. 9. No. 1. pp. 15-24.
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Muratov D. G., Kozhitov L. V., Zaporotskova I. V., Popkova A. V., Tarala V. A., Korovin E. Y., Zorin A. V. Synthesis, structure and electromagnetic properties of FeCoCu/C nanocomposites // Modern Electronic Materials. 2023. Vol. 9. No. 1. pp. 15-24.
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TY - JOUR
DO - 10.3897/j.moem.9.1.104721
UR - https://moem.colab.ws/publications/10.3897/j.moem.9.1.104721
TI - Synthesis, structure and electromagnetic properties of FeCoCu/C nanocomposites
T2 - Modern Electronic Materials
AU - Muratov, Dmitriy G.
AU - Kozhitov, Lev V.
AU - Zaporotskova, Irina V.
AU - Popkova, Alena V.
AU - Tarala, Vitaly A.
AU - Korovin, Evgenij Yu.
AU - Zorin, Artem V.
PY - 2023
DA - 2023/03/31
PB - НИТУ МИСИС
SP - 15-24
IS - 1
VL - 9
ER -
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@article{2023_Muratov,
author = {Dmitriy G. Muratov and Lev V. Kozhitov and Irina V. Zaporotskova and Alena V. Popkova and Vitaly A. Tarala and Evgenij Yu. Korovin and Artem V. Zorin},
title = {Synthesis, structure and electromagnetic properties of FeCoCu/C nanocomposites},
journal = {Modern Electronic Materials},
year = {2023},
volume = {9},
publisher = {НИТУ МИСИС},
month = {Mar},
url = {https://moem.colab.ws/publications/10.3897/j.moem.9.1.104721},
number = {1},
pages = {15--24},
doi = {10.3897/j.moem.9.1.104721}
}
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Muratov, Dmitriy G., et al. “Synthesis, structure and electromagnetic properties of FeCoCu/C nanocomposites.” Modern Electronic Materials, vol. 9, no. 1, Mar. 2023, pp. 15-24. https://moem.colab.ws/publications/10.3897/j.moem.9.1.104721.
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Keywords

FeCoCu nanoparticles
loss tangent
metal-carbon nanocomposites
Raman spectroscopy
reflection loss
relative permittivity and permeability

Abstract

FeCoCu ternary nanoparticles distributed and stabilized in the carbon matrix of FeCoCu/C metal-carbon nanocomposites have been synthesized using controlled IR pyrolysis of precursors consisting of the “polymer / iron acetylacetate / cobalt and copper acetates” type system obtained by joint dissolution of components followed by solvent removal. The effect of the synthesis temperature on the structure, composition and electromagnetic properties of the nanocomposites has been studied. By XRD was shown that the formation of the FeCoCu ternary nanoparticles occurs due to the interaction of Fe3С with the nanoparticles of the CoCu solid solution. An increase in the synthesis temperature leads to an increase in the size of the metal nanoparticles due to their agglomeration and coalescence as a result of matrix reconstruction. Furthermore, ternary alloy nanoparticles having a variable composition may form depending on the synthesis temperature and the content ratio of the metals. Raman spectroscopy has shown that the crystallinity of the carbon matrix of the nanocomposites increases with the synthesis temperature. The frequency responses of the relative permittivity and permeability of the nanocomposites have been studied at 3–13 GHz. It has been shown that a change in the content ratio of the metals noticeably increases both the dielectric and the magnetic losses. The former loss is caused by the formation of a complex nanostructure of the nanocomposite carbon matrix while the latter one originates from an increase in the size of the nanoparticles and a shift of the natural ferromagnetic resonance frequency to the low-frequency region. The reflection loss has been calculated using a standard method from the experimental data on the frequency responses of the relative permittivity and permeability. It has been shown that the frequency range and the absorption of electromagnetic waves (from –20 to –52 dB) can be controlled by varying the content ratio of the metals in the precursor. The nanocomposites obtained as a result of the experiment deliver better results in comparison with FeCo/C nanocomposites synthesized under similar conditions.

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