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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2023, Volume 117, Issue 5, Pages 369–376
DOI: https://doi.org/10.31857/S1234567823050087 (Mi jetpl6886) 		 
This article is cited in 1 scientific paper (total in 1 paper)

CONDENSED MATTER

Joint intercalation of ultrathin Fe and Co films under a graphene buffer layer on a SiC(0001) single crystal

S. O. Fulnova, D. A. Estyunina, I. I. Klimovskikhab, T. P. Makarovaa, A. V. Korolevaa, A. A. Rybkinaa, R. G. Chumakovc, A. M. Lebedevc, O. Yu. Vilkova, A. M. Shikina, A. G. Rybkina

a St. Petersburg State University, St. Petersburg, 198504 Russia
b Center for Promising Methods of Mesophysics and Nanotechnologies, Moscow Institute of Physics and Technology (National Research University), Dolgoprudnyi, Moscow region, 141701 Russia
c National Research Center Kurchatov Institute, Moscow, 123182 Russia
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DOI: https://doi.org/10.31857/S1234567823050087
Abstract: The joint intercalation of Co and Fe atoms under a graphene buffer layer synthesized on a SiC(0001) single crystal has been studied. Intercalation has been performed by means of the alternating deposition of ultrathin Fe and Co metal films on the substrate heated to 450$^\circ$ C with the subsequent heating to 600$^\circ$ C in 15 min. It has been shown that Co and Fe atoms under these conditions are intercalated under graphene, forming compounds with silicon and with each other. The existence of a magnetic order in the system up to room temperature has been demonstrated using a superconducting quantum interferometer. A possible stoichiometry of the formed alloys has been analyzed using data on the shape and magnitude of hysteresis loops. In addition, it has been found that Fe and Co in the system exposed to the atmosphere are not oxidized. Thus, graphene protects the formed system. This study makes contribution to the investigation of graphene in contact with magnetic metals and promotes its application in spintronic and nanoelectronic devices.
Funding agency Grant number
Saint Petersburg State University 94031444
Russian Science Foundation 18-12-00062
Ministry of Science and Higher Education of the Russian Federation 075-02-2021-1316
This study was supported by the Ministry of Science and Higher Education of the Russian Federation (project no. 94031444 for St. Petersburg State University) and by the Russian Science Foundation (project no. 18-12-00062). I.I. Klimovskikh acknowledges the support of the Ministry of Science and Higher Education of the Russian Federation (contract no. 075-02-2021-1316 dated September 30, 2021; Strategic Academic Leadership Program Priority 2030).
Received: 14.11.2022
Revised: 29.01.2023
Accepted: 29.01.2023
English version:
Journal of Experimental and Theoretical Physics Letters, 2023, Volume 117, Issue 5, Pages 363–369
DOI: https://doi.org/10.1134/S0021364022603025
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. O. Fulnov, D. A. Estyunin, I. I. Klimovskikh, T. P. Makarova, A. V. Koroleva, A. A. Rybkina, R. G. Chumakov, A. M. Lebedev, O. Yu. Vilkov, A. M. Shikin, A. G. Rybkin, “Joint intercalation of ultrathin Fe and Co films under a graphene buffer layer on a SiC(0001) single crystal”, Pis'ma v Zh. Èksper. Teoret. Fiz., 117:5 (2023), 369–376; JETP Letters, 117:5 (2023), 363–369
Citation in format AMSBIB
\Bibitem{FulEstKli23}
\by S.~O.~Fulnov, D.~A.~Estyunin, I.~I.~Klimovskikh, T.~P.~Makarova, A.~V.~Koroleva, A.~A.~Rybkina, R.~G.~Chumakov, A.~M.~Lebedev, O.~Yu.~Vilkov, A.~M.~Shikin, A.~G.~Rybkin
\paper Joint intercalation of ultrathin Fe and Co films under a graphene buffer layer on a SiC(0001) single crystal
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2023
\vol 117
\issue 5
\pages 369--376
\mathnet{http://mi.mathnet.ru/jetpl6886}
\crossref{https://doi.org/10.31857/S1234567823050087}
\edn{https://elibrary.ru/pxojjl}
\transl
\jour JETP Letters
\yr 2023
\vol 117
\issue 5
\pages 363--369
\crossref{https://doi.org/10.1134/S0021364022603025}
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