High critical current density YBa2Cu3O7-δ films on surface-oxidized metallic substrates

Kaname Matsumoto, Seokbeom Kim, Katsuya Yamagiwa, Yoshihiro Koike, Izumi Hirabayashi, Tomonori Watanabe, Naoki Uno, Masaru Ikeda

Research output: Contribution to journalConference articlepeer-review

42 Citations (Scopus)


YBa2Cu3O7-δ (YBCO) films with high critical current density (Jc) were fabricated on nickel tapes buffered with bi-axially textured NiO prepared by surface-oxidation epitaxy (SOE). The effects of oxide cap layers, such as YSZ, CeO2 and MgO, on the SOE-grown NiO were investigated to improve the superconducting properties of the YBCO films on NiO. By inserting a thin MgO cap layer between NiO layer and YBCO film, a Jc of 3×105 A/cm2 (77 K, 0 T) was achieved. This result indicates the potentiality of the SOE method. In this paper, the application of the NiO/Ni substrate to non-vacuum processings, such as metal-organic deposition (MOD) and liquid phase epitaxy (LPE) will be also introduced.

Original languageEnglish
Pages (from-to)39-43
Number of pages5
JournalPhysica C: Superconductivity and its applications
Issue number1
Publication statusPublished - Jun 2000
Externally publishedYes
Event9th Japan-US Workshop on High-Tc Superconductors - Yamanashi, Jpn
Duration: Oct 13 1999Oct 15 1999

ASJC Scopus subject areas

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


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