Ferromagnet/Superconductor Hybridization for Magnonic Applications

Igor A. Golovchanskiy* (Corresponding Author), Nikolay N. Abramov, Vasily S. Stolyarov, Vitaly V. Bolginov, Valery V. Ryazanov, Alexander A. Golubov, Alexey V. Ustinov

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)

Abstract

In this work, a new hybridization of superconducting and ferromagnetic orders is demonstrated, promising for magnonics. By measuring the ferromagnetic and spin wave resonance absorption spectra of a magnetostatically coupled permalloy/niobium bilayer at different temperatures, magnetostatic spin wave resonances with unconventional dispersion are observed. The mechanism behind the modified dispersion, confirmed with micromagnetic simulations, implies screening of the alternating magnetostatic stray fields of precessing magnetic moments in the ferromagnetic layer by the superconducting surface in the Meissner state.

Original languageEnglish
Article number1802375
JournalAdvanced functional materials
Volume28
Issue number33
Early online date22 Jun 2018
DOIs
Publication statusPublished - 15 Aug 2018

Fingerprint

Spin waves
Magnetostatics
magnons
Superconducting materials
Niobium
magnetostatic fields
Permalloys (trademark)
magnetostatics
Magnetic moments
niobium
Absorption spectra
Screening
screening
magnetic moments
absorption spectra
simulation
Temperature
temperature

Keywords

  • UT-Hybrid-D
  • magnonics
  • spin waves
  • superconducting Meissner state
  • superconductor/ferromagnet hybrids
  • ferromagnetic resonance

Cite this

Golovchanskiy, I. A., Abramov, N. N., Stolyarov, V. S., Bolginov, V. V., Ryazanov, V. V., Golubov, A. A., & Ustinov, A. V. (2018). Ferromagnet/Superconductor Hybridization for Magnonic Applications. Advanced functional materials, 28(33), [1802375]. https://doi.org/10.1002/adfm.201802375
Golovchanskiy, Igor A. ; Abramov, Nikolay N. ; Stolyarov, Vasily S. ; Bolginov, Vitaly V. ; Ryazanov, Valery V. ; Golubov, Alexander A. ; Ustinov, Alexey V. / Ferromagnet/Superconductor Hybridization for Magnonic Applications. In: Advanced functional materials. 2018 ; Vol. 28, No. 33.
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Golovchanskiy, IA, Abramov, NN, Stolyarov, VS, Bolginov, VV, Ryazanov, VV, Golubov, AA & Ustinov, AV 2018, 'Ferromagnet/Superconductor Hybridization for Magnonic Applications', Advanced functional materials, vol. 28, no. 33, 1802375. https://doi.org/10.1002/adfm.201802375

Ferromagnet/Superconductor Hybridization for Magnonic Applications. / Golovchanskiy, Igor A. (Corresponding Author); Abramov, Nikolay N.; Stolyarov, Vasily S.; Bolginov, Vitaly V.; Ryazanov, Valery V.; Golubov, Alexander A.; Ustinov, Alexey V.

In: Advanced functional materials, Vol. 28, No. 33, 1802375, 15.08.2018.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Ferromagnet/Superconductor Hybridization for Magnonic Applications

AU - Golovchanskiy, Igor A.

AU - Abramov, Nikolay N.

AU - Stolyarov, Vasily S.

AU - Bolginov, Vitaly V.

AU - Ryazanov, Valery V.

AU - Golubov, Alexander A.

AU - Ustinov, Alexey V.

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AB - In this work, a new hybridization of superconducting and ferromagnetic orders is demonstrated, promising for magnonics. By measuring the ferromagnetic and spin wave resonance absorption spectra of a magnetostatically coupled permalloy/niobium bilayer at different temperatures, magnetostatic spin wave resonances with unconventional dispersion are observed. The mechanism behind the modified dispersion, confirmed with micromagnetic simulations, implies screening of the alternating magnetostatic stray fields of precessing magnetic moments in the ferromagnetic layer by the superconducting surface in the Meissner state.

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KW - magnonics

KW - spin waves

KW - superconducting Meissner state

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Golovchanskiy IA, Abramov NN, Stolyarov VS, Bolginov VV, Ryazanov VV, Golubov AA et al. Ferromagnet/Superconductor Hybridization for Magnonic Applications. Advanced functional materials. 2018 Aug 15;28(33). 1802375. https://doi.org/10.1002/adfm.201802375