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Journal of Siberian Federal University. Mathematics & Physics, 2017, Volume 10, Issue 1, Pages 40–44
DOI: https://doi.org/10.17516/1997-1397-2017-10-1-40-44 (Mi jsfu520) 		 
The characteristics of observation of the non-uniform magnetization on the surface of the thin magnetic films in Ta/CoFeB/MgO/CoFeB/Ta multilayers

Nikolay A. Djuzhev, Anatoly F. Popkov, Maksim A. Makhiboroda, Gleb D. Demin, Aleksandr M. Kozmin, Maksim Y. Chinenkov

National Research University of Electronic Technology (MIET), Shokina sq., bld. 1, Moscow, Zelenograd, 124498, Russia
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DOI: https://doi.org/10.17516/1997-1397-2017-10-1-40-44
Abstract: This work presents the results of the study of non-uniformly magnetized regions on the surface of thin magnetic films in multilayer magnetic tunnel junction (MTJ) structure Ta/CoFeB/MgO/CoFeB/Ta observed by highly sensitive magnetic force microscopy (MFM) probes. The micromagnetic simulation of the magnetization dynamics in CoFeB magnetic layer after the application of the external magnetic field of 0.5 T is conducted using mumax3 open-source software. The areas of the existence of magnetic vortices and domain walls in CoFeB magnetic film are found where the domain wall thickness was measured by MFM in the nanometer scale.
Keywords: magnetic force microscopy, thin magnetic films, magnetic domains, magnetic tunnel junction.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation 14.578.21.0007 (RFMEFI57814X0007)
This work was supported by the RF Ministry of Education and Science contract № 14.578.21.0007 (RFMEFI57814X0007) and conducted using the equipment of Multi-access center "Microsystem technics and electronic component base" MIET.
Received: 20.08.2016
Received in revised form: 10.10.2016
Accepted: 14.11.2016
Bibliographic databases:
Document Type: Article
UDC: 517.9
Language: English
Citation: Nikolay A. Djuzhev, Anatoly F. Popkov, Maksim A. Makhiboroda, Gleb D. Demin, Aleksandr M. Kozmin, Maksim Y. Chinenkov, “The characteristics of observation of the non-uniform magnetization on the surface of the thin magnetic films in Ta/CoFeB/MgO/CoFeB/Ta multilayers”, J. Sib. Fed. Univ. Math. Phys., 10:1 (2017), 40–44
Citation in format AMSBIB
\Bibitem{DjuPopMak17}
\by Nikolay~A.~Djuzhev, Anatoly~F.~Popkov, Maksim~A.~Makhiboroda, Gleb~D.~Demin, Aleksandr~M.~Kozmin, Maksim~Y.~Chinenkov
\paper The characteristics of observation of the non-uniform magnetization on the surface of the thin magnetic films in Ta/CoFeB/MgO/CoFeB/Ta multilayers
\jour J. Sib. Fed. Univ. Math. Phys.
\yr 2017
\vol 10
\issue 1
\pages 40--44
\mathnet{http://mi.mathnet.ru/jsfu520}
\crossref{https://doi.org/10.17516/1997-1397-2017-10-1-40-44}
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    		Журнал Сибирского федерального университета. Серия "Математика и физика"
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