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Fizika Tverdogo Tela, 2021, Volume 63, Issue 9, Pages 1367–1371
DOI: https://doi.org/10.21883/FTT.2021.09.51312.19H (Mi ftt8044) 		 
This article is cited in 5 scientific papers (total in 5 papers)

XXV International Symposium Nanophysics and Nanoelectronics, Nizhny Novgorod, March 9-12, 2021
Low dimensional systems

Why the magnetite–gold core–shell nanoparticles are not quite good and how to improve them

A. È. Sokolovab, O. S. Ivanovaab, A. S. Fedorovabc, E. A. Kovalevac, M. A. Visotinab, C.-R. Lind, S. G. Ovchinnikovab

a L. V. Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia
b Siberian Federal University, Krasnoyarsk, Russia
c Tomsk State University, Tomsk, Russia
d National Pingtung University, Pingtung City, Pingtung County 90003, Taiwan
Full-text PDF (2016 kB) Citations (5)
DOI: https://doi.org/10.21883/FTT.2021.09.51312.19H
Abstract: The nature of the formation of a chemical bond at the magnetite–gold interface has been studied. The geometric structure and the electronic and magnetic properties of plane layers consisting of magnetite Fe$_3$O$_4$ and gold have been investigated using the DFT-GGA calculation. It has been found that the specific energy and the wetting parameter of the magnetite–gold interface are negative, which leads to the island growth of small Au particles on the Fe$_3$O$_4$ surface. The role of an intermediate thin titanium layer between magnetite and gold has been discussed. The specific energy and wetting parameter of the magnetite–titanium (for thin Ti layers) and magnetite–titanium–gold interfaces are positive. It has been suggested that an intermediate thin titanium layer at the interface between the magnetite nanoparticle surface and the gold layer will make it possible to obtain magnetite nanoparticles with a continuous gold coating.
Keywords: core–shell magnetic nanoparticles, magnetite–gold interface, magnetite–titanium–gold trilayer.
Funding agency Grant number
Russian Foundation for Basic Research 19-52- 52002
Ministry of Science and Technology of Taiwan 109-2112-M-153-003
108-2923-M-153-001-MY3
This study was supported by the Russian Foundation for Basic Research, project no. 19-52-52002, and the Ministry of Science and Technology of Taiwan, projects MOST nos. 109-2112-M-153-003 and 108-2923-M-153-001-MY3.
Received: 09.04.2021
Revised: 09.04.2021
Accepted: 19.04.2021
English version:
Physics of the Solid State, 2021, Volume 63, Issue 10, Pages 1536–1540
DOI: https://doi.org/10.1134/S1063783421090365
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. È. Sokolov, O. S. Ivanova, A. S. Fedorov, E. A. Kovaleva, M. A. Visotin, C.-R. Lin, S. G. Ovchinnikov, “Why the magnetite–gold core–shell nanoparticles are not quite good and how to improve them”, Fizika Tverdogo Tela, 63:9 (2021), 1367–1371; Phys. Solid State, 63:10 (2021), 1536–1540
Citation in format AMSBIB
\Bibitem{SokIvaFed21}
\by A.~\`E.~Sokolov, O.~S.~Ivanova, A.~S.~Fedorov, E.~A.~Kovaleva, M.~A.~Visotin, C.-R.~Lin, S.~G.~Ovchinnikov
\paper Why the magnetite–gold core–shell nanoparticles are not quite good and how to improve them
\jour Fizika Tverdogo Tela
\yr 2021
\vol 63
\issue 9
\pages 1367--1371
\mathnet{http://mi.mathnet.ru/ftt8044}
\crossref{https://doi.org/10.21883/FTT.2021.09.51312.19H}
\elib{https://elibrary.ru/item.asp?id=46690905}
\transl
\jour Phys. Solid State
\yr 2021
\vol 63
\issue 10
\pages 1536--1540
\crossref{https://doi.org/10.1134/S1063783421090365}
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    • This publication is cited in the following 5 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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