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Characterization of DyBa2Cu3O7+δ thin Films Prepared by Ozone-Assisted Co-Evaporation Technique

  • T. J. Hsieh (a1) (a2), R. V. Smilgys (a1), C. K. Chiang (a1), S. W. Robey (a1), R. J. Arsenault (a2) and L. Salamanca-Riba (a2)...

Abstract

Superconducting thin films of DyBa2Cu3O7-δ_ are deposited on MgO(100) substrates by an ozone-assisted coevaporation technique. At a relatively low substrate temperature (610°C) and with a fixed ozone flux we prepare highly c-axis oriented films with very good superconducting properties. The critical temperatures of the films are commonly above 85 K with critical currents above 10 5 A/cm2. We report on composition, microstructure, electrical resistivity and critical current of two good films.

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Characterization of DyBa2Cu3O7+δ thin Films Prepared by Ozone-Assisted Co-Evaporation Technique

  • T. J. Hsieh (a1) (a2), R. V. Smilgys (a1), C. K. Chiang (a1), S. W. Robey (a1), R. J. Arsenault (a2) and L. Salamanca-Riba (a2)...

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