Journal of Experimental and Theoretical Physics

, Volume 124, Issue 1, pp 114–130

Magnetism in structures with ferromagnetic and superconducting layers

  • V. D. Zhaketov
  • Yu. V. Nikitenko
  • F. Radu
  • A. V. Petrenko
  • A. Csik
  • M. M. Borisov
  • E. Kh. Mukhamedzhanov
  • V. L. Aksenov
Order, Disorder, and Phase Transition in Condensed System

Abstract

The influence of superconductivity on ferromagnetism in the layered Ta/V/Fe1–xVx/V/Fe1–xVx/Nb/Si structures consisting of ferromagnetic and superconducting layers is studied using polarized neutron reflection and scattering. It is experimentally shown that magnetic structures with linear sizes from 5 nm to 30 μm are formed in these layered structures at low temperatures. The magnetization of the magnetic structures is suppressed by superconductivity at temperatures below the superconducting transition temperatures in the V and Nb layers. The magnetic states of the structures are shown to undergo relaxation over a wide magnetic-field range, which is caused by changes in the states of clusters, domains, and Abrikosov vortices.

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Copyright information

© Pleiades Publishing, Inc. 2017

Authors and Affiliations

  • V. D. Zhaketov
    • 1
  • Yu. V. Nikitenko
    • 1
  • F. Radu
    • 2
  • A. V. Petrenko
    • 1
  • A. Csik
    • 3
  • M. M. Borisov
    • 4
  • E. Kh. Mukhamedzhanov
    • 4
  • V. L. Aksenov
    • 5
    • 1
  1. 1.Joint Institute for Nuclear ResearchDubna, Moscow oblastRussia
  2. 2.Helmholtz-Zentrum Berlin für Materialen un EnergieBerlinGermany
  3. 3.MTA Atomki, Institute for Nuclear ResearchDebrecenHungary
  4. 4.Russian Research Centre Kurchatov InstituteMoscowRussia
  5. 5.Konstantinov St. Petersburg Nuclear Physics InstituteRussian Research Centre Kurchatov InstituteGatchina, Leningradskaya oblastRussia

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