Ferromagnetic resonance with long Josephson junction

I.A. golovchanskiy, N.N. Abramov, V.S. Stolyarov, O.V. Emelyanova, A. A. Golubov, A.V. Ustinov, V.V. Ryazanov

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

In this work we propose a hybrid device based on a long Josephson junction (JJ) coupled inductively to an external ferromagnetic (FM) layer. The long JJ in a zero-field operation mode induces a localized AC magnetic field in the FM layer and enables a synchronized magnetostatic standing wave. The magnetostatic wave induces additional dissipation for soliton propagation in the junction and also enables a phase locking (resonant soliton synchronization) at a frequency of natural ferromagnetic resonance. The later manifests itself as an additional constant voltage step on the current-voltage characteristics at the corresponding voltage. The proposed device allows to study magnetization dynamics of individual micro-scaled FM samples using just DC technique, and also it provides additional phase locking frequency in the junction, determined exclusively by characteristics of the ferromagnet.

Original languageEnglish
Article number054005
JournalSuperconductor science and technology
Volume30
Issue number5
DOIs
Publication statusPublished - 18 Apr 2017

Fingerprint

Ferromagnetic resonance
Magnetostatics
ferromagnetic resonance
Solitons
Josephson junctions
magnetostatics
locking
Electric potential
electric potential
Current voltage characteristics
solitary waves
Wave propagation
Magnetization
Synchronization
Magnetic fields
standing waves
synchronism
alternating current
dissipation
direct current

Keywords

  • ferromagnetic resonance
  • Josephson soliton synchronization
  • long Josephson junction

Cite this

golovchanskiy, I. A., Abramov, N. N., Stolyarov, V. S., Emelyanova, O. V., Golubov, A. A., Ustinov, A. V., & Ryazanov, V. V. (2017). Ferromagnetic resonance with long Josephson junction. Superconductor science and technology, 30(5), [054005]. https://doi.org/10.1088/1361-6668/aa66a9
golovchanskiy, I.A. ; Abramov, N.N. ; Stolyarov, V.S. ; Emelyanova, O.V. ; Golubov, A. A. ; Ustinov, A.V. ; Ryazanov, V.V. / Ferromagnetic resonance with long Josephson junction. In: Superconductor science and technology. 2017 ; Vol. 30, No. 5.
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golovchanskiy, IA, Abramov, NN, Stolyarov, VS, Emelyanova, OV, Golubov, AA, Ustinov, AV & Ryazanov, VV 2017, 'Ferromagnetic resonance with long Josephson junction', Superconductor science and technology, vol. 30, no. 5, 054005. https://doi.org/10.1088/1361-6668/aa66a9

Ferromagnetic resonance with long Josephson junction. / golovchanskiy, I.A.; Abramov, N.N.; Stolyarov, V.S.; Emelyanova, O.V.; Golubov, A. A.; Ustinov, A.V.; Ryazanov, V.V.

In: Superconductor science and technology, Vol. 30, No. 5, 054005, 18.04.2017.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Ferromagnetic resonance with long Josephson junction

AU - golovchanskiy, I.A.

AU - Abramov, N.N.

AU - Stolyarov, V.S.

AU - Emelyanova, O.V.

AU - Golubov, A. A.

AU - Ustinov, A.V.

AU - Ryazanov, V.V.

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Y1 - 2017/4/18

N2 - In this work we propose a hybrid device based on a long Josephson junction (JJ) coupled inductively to an external ferromagnetic (FM) layer. The long JJ in a zero-field operation mode induces a localized AC magnetic field in the FM layer and enables a synchronized magnetostatic standing wave. The magnetostatic wave induces additional dissipation for soliton propagation in the junction and also enables a phase locking (resonant soliton synchronization) at a frequency of natural ferromagnetic resonance. The later manifests itself as an additional constant voltage step on the current-voltage characteristics at the corresponding voltage. The proposed device allows to study magnetization dynamics of individual micro-scaled FM samples using just DC technique, and also it provides additional phase locking frequency in the junction, determined exclusively by characteristics of the ferromagnet.

AB - In this work we propose a hybrid device based on a long Josephson junction (JJ) coupled inductively to an external ferromagnetic (FM) layer. The long JJ in a zero-field operation mode induces a localized AC magnetic field in the FM layer and enables a synchronized magnetostatic standing wave. The magnetostatic wave induces additional dissipation for soliton propagation in the junction and also enables a phase locking (resonant soliton synchronization) at a frequency of natural ferromagnetic resonance. The later manifests itself as an additional constant voltage step on the current-voltage characteristics at the corresponding voltage. The proposed device allows to study magnetization dynamics of individual micro-scaled FM samples using just DC technique, and also it provides additional phase locking frequency in the junction, determined exclusively by characteristics of the ferromagnet.

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KW - Josephson soliton synchronization

KW - long Josephson junction

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golovchanskiy IA, Abramov NN, Stolyarov VS, Emelyanova OV, Golubov AA, Ustinov AV et al. Ferromagnetic resonance with long Josephson junction. Superconductor science and technology. 2017 Apr 18;30(5). 054005. https://doi.org/10.1088/1361-6668/aa66a9