YBa2Cu3O,7 - x superconducting thin films by sequential evaporation on alumina substrates

  • Queralt X
  • Varela M
  • Garcia-Cuenca M
 et al. 
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Abstract

Superconducting Y-Ba-Cu-O thin films have been formed on alumina substrates by sequential evaporation of ten Cu Y2O3BaF2layered structures and subsequent heat treatments. The best film showed a superconducting onset temperature of 92 K and a zero resistance at 50 K. The film properties were studied using electrical measurements, scanning electron microscopy, x-ray diffraction and secondary ion mass spectrometry. © 1990.

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Authors

  • X. Queralt

  • M. Varela

  • M. V. Garcia-Cuenca

  • J. L. Morenza

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