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Fizika Tverdogo Tela, 2020, Volume 62, Issue 3, Pages 407–412
DOI: https://doi.org/10.21883/FTT.2020.03.49005.583 (Mi ftt8471) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Magnetism

Conditions for the occurrence of spontaneous oscillating magnetic relaxation in synthetic Pt/Co/Ir/Co/Pt ferrimagnets

R. B. Morgunovabc, A. I. Bezverkhniiab, O. S. Dmitrievb, M. V. Bahmeteva

a Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region
b Tambov State Technical University
c I. M. Sechenov First Moscow State Medical University
Full-text PDF (1124 kB) Citations (1)
DOI: https://doi.org/10.21883/FTT.2020.03.49005.583
Abstract: It has been established that nonmonotonic magnetization relaxation in Pt/Co/Ir/Co/Pt synthetic ferrimagnets (SF) with perpendicular magnetic anisotropy is caused by the coincidence of two or three switching fields between stable states of the SF magnetization (double or triple point). The fields of switching between the stable states of SFs are determined by the ratio of the Zeeman energy, interlayer exchange energy, and the energies of magnetization reversal barriers of each layer, depending on the thickness of the layers and temperature. It has been shown that the selection of thickness and/or temperature enables reaching double and triple points at which the transition fields between the states coincide, which causes a nonmonotonic magnetic relaxation of SFs.
Keywords: synthetic ferrimagnets, perpendicular magnetic anisotropy, magnetic relaxation, exchange interaction.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation 3.1992.2017/4.6
Russian Foundation for Basic Research 19-32-90128
Ministry of Education and Science of the Russian Federation
2644.2020.2
This work was supported by grant no. 3.1992.2017/4.6 as part of a competition of scientific projects carried out by the research teams of research centers and (or) scientific laboratories of higher education of educational organizations, and the Russian Foundation for Basic Research (A.I. Bezverkhnii), project no. 19-32-90128 (within the program Top 5-100).
Received: 09.11.2019
Revised: 09.11.2019
Accepted: 14.11.2019
English version:
Physics of the Solid State, 2020, Volume 62, Issue 3, Pages 458–463
DOI: https://doi.org/10.1134/S1063783420030142
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: R. B. Morgunov, A. I. Bezverkhnii, O. S. Dmitriev, M. V. Bahmetev, “Conditions for the occurrence of spontaneous oscillating magnetic relaxation in synthetic Pt/Co/Ir/Co/Pt ferrimagnets”, Fizika Tverdogo Tela, 62:3 (2020), 407–412; Phys. Solid State, 62:3 (2020), 458–463
Citation in format AMSBIB
\Bibitem{MorBezDmi20}
\by R.~B.~Morgunov, A.~I.~Bezverkhnii, O.~S.~Dmitriev, M.~V.~Bahmetev
\paper Conditions for the occurrence of spontaneous oscillating magnetic relaxation in synthetic Pt/Co/Ir/Co/Pt ferrimagnets
\jour Fizika Tverdogo Tela
\yr 2020
\vol 62
\issue 3
\pages 407--412
\mathnet{http://mi.mathnet.ru/ftt8471}
\crossref{https://doi.org/10.21883/FTT.2020.03.49005.583}
\elib{https://elibrary.ru/item.asp?id=42776720}
\transl
\jour Phys. Solid State
\yr 2020
\vol 62
\issue 3
\pages 458--463
\crossref{https://doi.org/10.1134/S1063783420030142}
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    • This publication is cited in the following 1 articles:
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