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Fizika Tverdogo Tela, 2023, Volume 65, Issue 6, Pages 923–927
DOI: https://doi.org/10.21883/FTT.2023.06.55644.01H (Mi ftt10717) 		 
This article is cited in 1 scientific paper (total in 1 paper)

XXVII International Symposium "Nanophysics and Nanoelectronics", Nizhny Novgorod, March 13-16, 2023
Magnetism

Study of magnetic iron oxide nanoparticles coated with silicon oxide by ferromagnetic method

I. G. Vazheninaab, S. V. Stolyarbc, A. V. Tyumentsevac, M. N. Volochaeva, R. S. Iskhakova, S. V. Komogortsevad, V. F. Pyankovc, E. D. Nikolaevace

a L. V. Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia
b Siberian Federal University, Krasnoyarsk, Russia
c Krasnoyarsk Scientific Center of SB RAS, Krasnoyarsk, Russia
d M. F. Reshetnev Siberian State University of Science and Technologies, Krasnoyarsk, Russia
e Krasnoyarsk State Medical University named after Professor V. F. Voyno-Yasenetsky, Krasnoyarsk, Russia
Full-text PDF (592 kB) Citations (1)
DOI: https://doi.org/10.21883/FTT.2023.06.55644.01H
Abstract: Magnetic nanoparticles of magnetite with a size of $\sim$8 nm synthesized with a different type of coating were studied by ferromagnetic resonance in the temperature range from 7 to 300 K. The features of the experimental temperature dependences of the parameters of the ferromagnetic resonance curve (the magnitude of the resonant field, line width and intensity) and their approximation allowed us to estimate the values of characteristic temperatures. Firstly, the value of the Vervey temperature and the dependence of its value on the type of coating were determined. Secondly, the temperature of transition of nanoparticles to the superparamagnetic state (blocking temperature) and the temperature range within which the magnetic structure of the outer shell of the magnetic nanoparticle is in the spin glass state are established.
Keywords: iron oxide nanoparticles, ferromagnetic resonance, superparamagnetism, blocking temperature.
Funding agency Grant number
Russian Science Foundation 22-14-20020
The study was supported by grant No. 22-14-20020 provided by the Russian Science Foundation, Krasnoyarsk Regional Science Foundation.
Received: 17.04.2023
Revised: 17.04.2023
Accepted: 11.05.2023
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: I. G. Vazhenina, S. V. Stolyar, A. V. Tyumentseva, M. N. Volochaev, R. S. Iskhakov, S. V. Komogortsev, V. F. Pyankov, E. D. Nikolaeva, “Study of magnetic iron oxide nanoparticles coated with silicon oxide by ferromagnetic method”, Fizika Tverdogo Tela, 65:6 (2023), 923–927
Citation in format AMSBIB
\Bibitem{VazStoTyu23}
\by I.~G.~Vazhenina, S.~V.~Stolyar, A.~V.~Tyumentseva, M.~N.~Volochaev, R.~S.~Iskhakov, S.~V.~Komogortsev, V.~F.~Pyankov, E.~D.~Nikolaeva
\paper Study of magnetic iron oxide nanoparticles coated with silicon oxide by ferromagnetic method
\jour Fizika Tverdogo Tela
\yr 2023
\vol 65
\issue 6
\pages 923--927
\mathnet{http://mi.mathnet.ru/ftt10717}
\crossref{https://doi.org/10.21883/FTT.2023.06.55644.01H}
\elib{https://elibrary.ru/item.asp?id=53864893}
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    • This publication is cited in the following 1 articles:
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