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Fizika Tverdogo Tela, 2021, Volume 63, Issue 4, Pages 503–512
DOI: https://doi.org/10.21883/FTT.2021.04.50715.247
(Mi ftt8150)
 

This article is cited in 3 scientific papers (total in 3 papers)

Magnetism

Magneto-optical properties and photoluminescence of (PrDy)(FeCo)B microwires

D. V. Koroleva, E. V. Dvoretskayab, O. V. Koplakb, R. A. Valeeva, V. P. Piskorskya, R. B. Morgunovab

a All-Russian Scientific Research Institute of Aviation Materials, Moscow, Russia
b Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, Russia
Abstract: Microwires (PrDy)(FeCo)B, which do not contain iron inclusions and nuclei, were obtained by extraction from a melt drop (PrDy)(FeCo)B at a reduced cooling rate. Inclusions of crystal phases (PrDy)$_{2}$(CoFe)$_{14}$B, and magnetic Laves phase Dy(FeCo)$_{2}$ were identified in the volume of microwires and luminescent under the action of ultraviolet radiation (UV) inclusions of the phases Pr$_{2}$O$_{3}$ and Dy$_{2}$O$_{3}$. The distributions of the transverse and longitudinal components of magnetization along the micro-conductor were obtained, which was recorded for different directions of the external magnetic field using a magneto-optical indicator film and the magneto-optical Kerr effect. In microwires with a width of less than 70 $\mu$m, the longitudinal external field causes a modulation of the transverse magnetization corresponding to the formation of cylindrical domains. The coexistence of longitudinal and radial magnetization was detected by changing the angle of incidence and wavelength of the Kerr microscope. No surface radial domains were found in wider microwires with a width of $\sim$ 150 $\mu$m. Ultraviolet-stimulated photoluminescence of inclusions of Pr$_{2}$O$_{3}$ and Dy$_{2}$O$_{3}$ oxides was detected.
Keywords: microwires, rare earth magnets, domain structure, Kerr effect, photoluminescence.
Funding agency Grant number
Russian Foundation for Basic Research 20-32-70025
Ministry of Education and Science of the Russian Federation 2644.2020.2
АААА-А19-119111390022-2
The work was supported by the Russian Foundation for Basic Research in the framework of the Stability program, project no. 20-32-70025, and the grant of the President of the Russian Federation for leading scientific schools, project no. 2644.2020.2. The work was carried out within the framework of the topic no. AAAA-A19-119111390022-2 of the state assignment of the IPHF RAS.
Received: 25.11.2020
Revised: 25.11.2020
Accepted: 27.11.2020
English version:
Physics of the Solid State, 2021, Volume 63, Issue 4, Pages 556–565
DOI: https://doi.org/10.1134/S1063783421040107
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. V. Korolev, E. V. Dvoretskaya, O. V. Koplak, R. A. Valeev, V. P. Piskorsky, R. B. Morgunov, “Magneto-optical properties and photoluminescence of (PrDy)(FeCo)B microwires”, Fizika Tverdogo Tela, 63:4 (2021), 503–512; Phys. Solid State, 63:4 (2021), 556–565
Citation in format AMSBIB
\Bibitem{KorDvoKop21}
\by D.~V.~Korolev, E.~V.~Dvoretskaya, O.~V.~Koplak, R.~A.~Valeev, V.~P.~Piskorsky, R.~B.~Morgunov
\paper Magneto-optical properties and photoluminescence of (PrDy)(FeCo)B microwires
\jour Fizika Tverdogo Tela
\yr 2021
\vol 63
\issue 4
\pages 503--512
\mathnet{http://mi.mathnet.ru/ftt8150}
\crossref{https://doi.org/10.21883/FTT.2021.04.50715.247}
\elib{https://elibrary.ru/item.asp?id=46345495}
\transl
\jour Phys. Solid State
\yr 2021
\vol 63
\issue 4
\pages 556--565
\crossref{https://doi.org/10.1134/S1063783421040107}
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  • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Fizika Tverdogo Tela Fizika Tverdogo Tela
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