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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2020, Volume 112, Issue 11, Pages 743–748
DOI: https://doi.org/10.31857/S1234567820230056 (Mi jetpl6313) 		 
This article is cited in 8 scientific papers (total in 8 papers)

CONDENSED MATTER

Magnetoresistance of a ferromagnet/superconductor/ferromagnet trilayer microbridge based on diluted PdFe alloy

L. N. Karelinaa, V. V. Bolginova, Sh. A. Erkenovab, S. V. Egorova, I. A. Golovchanskiycb, V. I. Chichkovc, A. Ben Hamidacd, V. V. Ryazanovabc

a Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432 Russia
b Moscow Institute of Physics and Technology (National Research University), Dolgoprudnyi, Moscow region, 141700 Russia
c Russian National University of Science and Technology (NUST) MISiS, Moscow, 119049 Russia
d Leiden Institute of Physics, Leiden University, 2333 CA Leiden–The Netherlands
Full-text PDF (862 kB) Citations (8)
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DOI: https://doi.org/10.31857/S1234567820230056
Abstract: A negative magnetoresistive effect has been observed for ferromagnet/superconductor/ferromagnet (FSF) microbridges based on diluted ferromagnetic PdFe alloy containing as small as 1% of magnetic atoms. The effect is represented by sharp negative peaks in magnetoresistance at magnetic fields opposite in sign to the initial saturated magnetizations. Microstructuring of the FSF trilayers does not suppress the effect: the most pronounced dips were obtained for the smallest bridges 6–8 $\mu$m wide and 10–15 $\mu$m long. The negative magnetoresistance peak was observed at temperatures within the superconducting transition and reaches a noticeable value of up to 1.3% of the normal state resistance.
Funding agency Grant number
Russian Foundation for Basic Research 19-32-90162
Ministry of Science and Higher Education of the Russian Federation 0718-2020-0025
L.N. Karelina and V.V. Ryazanov acknowledge the support of the Russian Foundation for Basic Research, project no. 19-32-90162. I.A. Golovchanskiy and V.I. Chichkov took part in technological work and discussion of the results within the framework of NUST MISIS State Assignment no. 0718-2020-0025.
Received: 16.09.2020
Revised: 26.10.2020
Accepted: 05.11.2020
English version:
Journal of Experimental and Theoretical Physics Letters, 2020, Volume 112, Issue 11, Pages 705–709
DOI: https://doi.org/10.1134/S0021364020230010
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: L. N. Karelina, V. V. Bolginov, Sh. A. Erkenov, S. V. Egorov, I. A. Golovchanskiy, V. I. Chichkov, A. Ben Hamida, V. V. Ryazanov, “Magnetoresistance of a ferromagnet/superconductor/ferromagnet trilayer microbridge based on diluted PdFe alloy”, Pis'ma v Zh. Èksper. Teoret. Fiz., 112:11 (2020), 743–748; JETP Letters, 112:11 (2020), 705–709
Citation in format AMSBIB
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    • This publication is cited in the following 8 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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