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

doi:10.3762/bjnano.2.89

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

Physics and Astronomy

Research output: Contribution to journal › Letter › peer-review

3 Scopus citations

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 language	English (US)
Pages (from-to)	809-813
Number of pages	5
Journal	Beilstein Journal of Nanotechnology
Volume	2
Issue number	1
DOIs	https://doi.org/10.3762/bjnano.2.89
State	Published - 2011

Keywords

Critical current
Magnesium diboride
Nanoparticles
Pinning
Superconductivity

ASJC Scopus subject areas

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

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10.3762/bjnano.2.89

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Surdu, A. E., Hamdeh, H. H., Al-Omari, I. A., Sellmyer, D. J., Socrovisciuc, A. V., Prepelita, A. A., Koparan, E. T., Yanmaz, E., Ryazanov, V. V., Hahn, H., & 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

Enhancement of the critical current density in FeO-coated MgB2 thin films at high magnetic fields. / Surdu, Andrei E.; Hamdeh, Hussein H.; Al-Omari, Imad A.; Sellmyer, David J.; Socrovisciuc, Alexei V.; Prepelita, Andrei A.; Koparan, Ezgi T.; Yanmaz, Ekrem; Ryazanov, Valery V.; Hahn, Horst; Sidorenko, Anatolie S.

In: Beilstein Journal of Nanotechnology, Vol. 2, No. 1, 2011, p. 809-813.

Research output: Contribution to journal › Letter › peer-review

Surdu, Andrei E. ; Hamdeh, Hussein H. ; Al-Omari, Imad A. ; Sellmyer, David J. ; Socrovisciuc, Alexei V. ; Prepelita, Andrei A. ; Koparan, Ezgi T. ; Yanmaz, Ekrem ; Ryazanov, Valery V. ; Hahn, Horst ; Sidorenko, Anatolie S. / Enhancement of the critical current density in FeO-coated MgB2 thin films at high magnetic fields. In: Beilstein Journal of Nanotechnology. 2011 ; Vol. 2, No. 1. pp. 809-813.

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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.",

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AB - 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.

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