Biaxially textured YBa2Cu3O7-δ conductors on rolling assisted biaxially textured substrates with critical current densities of 2-3 mA/cm2

John E. Mathis, Amit Goyal, Dominic F. Lee, Fred A. List, M. Paranthaman, David K. Christen, Eliot D. Specht, Donald M. Kroeger, Patrick M. Martin

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Abstract

Epitaxial YBa2Cu3O7-δ (YBCO) films with transport critical current densities approaching 3 × 106 A/cm2 (77K, 0T) were fabricated using laser ablation of YBCO onto rolling-assisted biaxially textured-substrates (RABiTS) using a combination of thin CeO2 and thick YSZ buffer layers. The configuration of the sample was YBCO (∼0.2μm)/YSZ (0.7μm)/CeO2 (0.05μm)/Ni (125μm). The CeO2 and YSZ buffer layers were deposited using electron-beam evaporation and sputtering, respectively. The temperature window for successful pulsed-laser deposition of YBCO onto RABiTS was found to be between 740°C and 790°C.

Original languageEnglish
Pages (from-to)L1379-L1382
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume37
Issue number11 SUPPL. B
DOIs
StatePublished - Nov 15 1998

Keywords

  • Biaxially textured substrates
  • Critical current
  • Pulsed laser deposition
  • RABiTS
  • Superconductors
  • X-ray diffraction

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