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Fabrication of Multilayered {\rm MgB}_{2}/{\rm Ni} Thin Films and Their Flux Pinning Properties

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12 Author(s)
Tsukano, Y. ; Fac. of Eng., Kagoshima Univ., Kagoshima, Japan ; Doi, Toshiya ; Yamashita, H. ; Tanaka, A.
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We prepared the multilayered MgB2/Ni thin films with the Ni layer spacings of 32, 23 and 16 nm. The MgB2/Ni multilayer nanostructure was confirmed to be obtained from the scanning transmission electron microscope observation. The clear enhancement of J c was observed in the multilayered MgB2/Ni thin film when the magnetic field was applied parallel to the film surface. Moreover, the peak position of F p - B curves shifted to higher magnetic field with decreasing the Ni layer spacing.

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Applied Superconductivity, IEEE Transactions on  (Volume:19 ,  Issue: 3 )