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

15 Citations (Scopus)
40 Downloads (Pure)


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
Issue number5
Publication statusPublished - 18 Apr 2017


  • Ferromagnetic resonance
  • Josephson soliton synchronization
  • Long Josephson junctions
  • 2023 OA procedure


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