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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v77.i3.60
pages 257-262

FERROMAGNETIC RESONANCE IN THE COMPLEX OF Fe3O4 NANOPARTICLES WITH ORGANIC COMPOUNDS

А. S. Vakula
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine,12, Academician Proskura St., Kharkiv 61085, Ukraine; Kharkiv National University of Radio Electronics 14, Nauka Av, Kharkiv 61166, Ukraine
А. G. Belous
Institute of General and Inorganic Chemistry, 32/34, Palladin Blvrd., 03142 Kyiv, Ukraine
Т. V. Kalmykova
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085, Ukraine
S. I. Petrushenko
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv 61022, Ukraine
V. N. Sukhov
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv 61022, Ukraine
S. I. Tarapov
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine; Kharkiv National University of Radio Electronics 14, Nauka Av, Kharkiv 61166, Ukraine; V. Karazin National University of Kharkiv, 4 Svobody Sq., Kharkiv 61077, Ukraine

ABSTRACT

Complexes of magnetic nanoparticles with organic molecules are one of the materials studied today, since they have a number of unique properties. The method of monitoring the state of such complexes is poorly developed. In this paper, by monitoring ferromagnetic resonance and electron microscopic studies, the state of the nanoparticles is performed, which determines their magnetic interaction. It is shown that the organic substance forms a shell around the nanoparticles. As a result, the dipole-dipole interaction between the nanoparticles in the sample is reduced. It was found that the degree of magnetic interaction between nanoparticles was determined by the organic substance properties. The magnetic properties of nanoparticles can be controlled with the help of selection of the organic substance.


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