Current-carrying property and microstructure of multilayered Sm1+xBa2-xCu3Oy thick films

T. Ozaki, Y. Yoshida, M. Miura, Y. Ichino, Y. Takai, K. Matsumoto, A. Ichinose, S. Horii, Masashi Mukaida

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


We have fabricated Sm1+xBa2-xCu3Oy (SmBCO) multilayer (Multi-SmBCO) films with alternating main SmBCO (x = 0.04) layers and additional Sm-rich (x = 0.08) layers. We confirmed that Cu2O precipitates in PLD-SmBCO films increased with increasing film thickness, though those in the Multi-SmBCO films hardly appeared even in thick films. Ic of the Multi-SmBCO film with a 1.7 μm thickness achieved 800 A/cm-width (Jc = 4.6 MA/cm2) at 77 K. Furthermore, the Multi-SmBCO film showed improved Jc at all magnetic field, especially, at high-magnetic fields. The enhancement of Jc in the high-magnetic fields would be related to Sm-rich phase (low-Tc phase) formed by introducing the Sm-rich layers.

Original languageEnglish
Pages (from-to)649-652
Number of pages4
JournalPhysica C: Superconductivity and its applications
Issue numberSUPPL.
Publication statusPublished - Oct 1 2007

All Science Journal Classification (ASJC) codes

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

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