Growth and superconducting properties of YBa2Cu3O7-δ films on conductive SrRuO3 and LaNiO3 multilayers for coated conductor applications

  • T. Aytug
  • , J. Z. Wu
  • , C. Cantoni
  • , D. T. Verebelyi
  • , E. D. Specht
  • , M. Paranthaman
  • , D. P. Norton
  • , D. K. Christen
  • , R. E. Ericson
  • , C. L. Thomas

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Conductive multilayers of YBa2Cu3O7-δ/SrRuO3/LaNiO 3 (YBCO/SRO/LNO), YBCO/SRO, and YBCO/LNO were grown epitaxially on single-crystal LaAlO3 and SrTiO3 substrates. Property characterizations revealed that the YBCO films on SRO and SRO/LNO buffer structures have excellent structural and superconducting properties. The YBCO/LNO, however, suffers degradation in superconducting transition temperatures and critical current densities, despite a good crystalline structure. The SRO/LNO bilayer showed excellent electrical contact with YBCO. These results have demonstrated the structural and chemical compatibility of SRO/LNO multilayers with YBCO and their potential use as conductive buffer layers for YBCO-based coated conductors as well as for other high-temperature superconducting applications.

Original languageEnglish
Pages (from-to)760-762
Number of pages3
JournalApplied Physics Letters
Volume76
Issue number6
DOIs
StatePublished - Feb 7 2000

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