Growth of epitaxial Sr2RuO4 films and YBa2Cu3O7-δ/Sr2RuO4 heterostructures

S. Madhavan, J. A. Mitchell, T. Nemoto, S. Wozniak, Ying Liu, D. G. Schlom, A. Dabkowski, H. A. Dabkowska

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Abstract

Sr2RuO4 is the only known layered perovskite that is free of copper, yet superconducting. Its low metallic resistivity and excellent lattice match with YBa2Cu3O7-δ make it an attractive candidate for use as conductive electrodes to YBa2Cu3O7-δ-based superconducting devices or as a normal metal in YBa2Cu3O7-δ-based SNS junctions. Single-domain a-axis oriented epitaxial films of Sr2RuO4 have been grown in situ by pulsed laser deposition on (1 0 0) LaSrGaO4 substrates. Single-domain c-axis oriented Sr2RuO4 films have been grown on (1 0 0) LaAlO3, (1 1 0) NdGaO3, and (1 0 0) SrTiO3 substrates. Heterostructures containing YBa2Cu3O7-δ have also been grown. Resistivity versus temperature measurements reveal that the as-grown Sr2RuO4 films are metallic, but not superconducting.

Original languageEnglish (US)
Pages (from-to)417-423
Number of pages7
JournalJournal of Crystal Growth
Volume174
Issue number1-4
DOIs
StatePublished - Apr 1997

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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    Madhavan, S., Mitchell, J. A., Nemoto, T., Wozniak, S., Liu, Y., Schlom, D. G., Dabkowski, A., & Dabkowska, H. A. (1997). Growth of epitaxial Sr2RuO4 films and YBa2Cu3O7-δ/Sr2RuO4 heterostructures. Journal of Crystal Growth, 174(1-4), 417-423. https://doi.org/10.1016/S0022-0248(96)01137-2