Fabrication of Multilayered MgB2/Ni Thin Films and Their Flux Pinning Properties

Yutaka Tsukano, Toshiya Doi, Hiroki Yamashita, Akira Tanaka, Ikumi Iwasaki, Yoshinori Hakuraku, Hitoshi Kitaguchi, Ken Ichiro Takahashi, Harini Sosiati, Satoshi Hata, Ken Ichi Ikeda, Hideharu Nakashima

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Abstract

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 Jc 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 FP - B curves shifted to higher magnetic field with decreasing the Ni layer spacing.

Original languageEnglish
Article number4982612
Pages (from-to)2807-2810
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume19
Issue number3
DOIs
Publication statusPublished - Jun 1 2009

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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