Abstract:A study has been carried out of superconductivity in coatings formed on niobium by plasma electrolytic oxidation (PEO) in electrolyte containing different concentrations of MgB2. From preliminary experiments, a suitable PEO condition was selected. The coatings were examined by analytical scanning electron microscopy and X-ray diffraction. Superconductivity was assessed using magnetic moment-field measurements. At 6 K, superconductivity of the niobium dominated, which revealed strong flux pinning and sudden rel… Show more
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