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ISSN 1028-821X (Print)

FERROMAGNETIC RESONANCE IN THE COMPLEX OF Fe3O4 NANOPARTICLES WITH ORGANIC COMPOUNDS

heading: 
APPLIED RADIOPHYSICS
Vakula, А, Belous, А, Kalmykova, T, Petrushenko, S, Sukhov, V, Tarapov, S
Organization: 

O. Ya. Usikov Institute for Radiophysics and Electronics of NAS of Ukraine
12, Acad. Proskury St., Kharkiv, 61085, Ukraine

Kharkiv National University of Radio Electronics
14, Nauka Av., Kharkiv, 61166, Ukraine

Vernadsky Institute of general and inorganic chemistry of NAS of Ukraine
Ukraine, 03142-Kiev, prospekt Akademika Palladina, 32/34

V. Karazin National University of Kharkov
4, Svoboda Sq., Kharkiv, 61022, Ukraine

E-mail: tanya.kalmykova1@gmail.com
https://doi.org/10.15407/rej2017.04.074
Language: Russian
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 established, which determines their magnetic interaction. It is shown that the organic matter forms a shell around nanoparticles. As a result, the magnetic interaction between the nanoparticles in the sample is reduced. It was found that the degree of magnetic interaction between nanoparticles is determined by the organic matter. Selection of the organic matter can control the magnetic properties of nanoparticles.
Keywords: conglomerate, dipole-dipole interaction, exchange interaction, ferromagnetic resonance, magnetic nanoparticles

Manuscript submitted 05.09.2017
PACS 75.50.Gg; 76.50+g
Radiofiz. elektron. 2017, 22(4): 74-77
Full text (PDF)

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