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 SM ISO690:2012SURDU, Andrei, HAMDEH, Hussein H., AL-OMARI, Imaddin A., SELLMYER, David J., SOCROVIŞCIUC, Alexei, PREPELITSA, Andrei, TAYLAN KOPARAN, E., YANMAZ, Ekrem, RYAZANOV, Valeriy, HAHN, Horst, SIDORENKO, Anatolie. Enhancement of the critical current density in FeO-coated MgB2 thin films at high magnetic fields. In: Beilstein Journal of Nanotechnology, 2011, vol. 2, pp. 809-813. ISSN 2190-4286. DOI: https://doi.org/10.3762/bjnano.2.89 |
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  Beilstein Journal of Nanotechnology |
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| Volumul 2 / 2011 / ISSN 2190-4286 | |
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| DOI:https://doi.org/10.3762/bjnano.2.89 | |
| Pag. 809-813 | |
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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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| Cuvinte-cheie Critical current, Magnesium diboride, nanoparticles, Pinning, superconductivity |
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