Enhancement of the critical current density in FeO-coated MgB2 thin films at high magnetic fields

Andrei E. Surdu, Hussein H. Hamdeh, Imad A. Al-Omari, David J. Sellmyer, Alexei V. Socrovisciuc, Andrei A. Prepelita, Ezgi T. Koparan, Ekrem Yanmaz, Valery V. Ryazanov, Horst Hahn, Anatolie S. Sidorenko

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2 Citations (Scopus)

Abstract

The effect of depositing FeO nanoparticles with a diameter of 10 nm onto the surface of MgB2 thin films on the critical current density was studied in comparison with the case of uncoated MgB2 thin films. We calculated the superconducting critical current densities (Jc) from the magnetization hysteresis (M-H) curves for both sets of samples and found that the Jc value of FeO-coated films is higher at all fields and temperatures than the Jc value for uncoated films, and that it decreases to ~105 A/cm2 at B = 1 T and T = 20 K and remains approximately constant at higher fields up to 7 T.

Original languageEnglish
Pages (from-to)809-813
Number of pages5
JournalBeilstein Journal of Nanotechnology
Volume2
Issue number1
DOIs
Publication statusPublished - 2011

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Keywords

  • Critical current
  • Magnesium diboride
  • Nanoparticles
  • Pinning
  • Superconductivity

ASJC Scopus subject areas

  • Materials Science(all)
  • Electrical and Electronic Engineering
  • Physics and Astronomy(all)

Cite this

Surdu, A. E., Hamdeh, H. H., Al-Omari, I. A., Sellmyer, D. J., Socrovisciuc, A. V., Prepelita, A. A., ... Sidorenko, A. S. (2011). Enhancement of the critical current density in FeO-coated MgB2 thin films at high magnetic fields. Beilstein Journal of Nanotechnology, 2(1), 809-813. https://doi.org/10.3762/bjnano.2.89