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Artificial in-plane ordering of textured YBa2Cu3O7−x films deposited on polycrystalline yttria-stabilized zirconia substrates

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Abstract

Anisotropie surface texturing of the polycrystalline yttria-stabilized zirconia substrates, prior to YBa2Cu3O7−x film deposition, is shown to promote in-plane (basal plane) ordering of the film growth in addition to thec-axis texturing. TheJ c 's of the films in the weak-link-dominated low-field regime are enhanced considerably, and this result is attributed to the reduction of weak links resulting from a reduction in the number of in-plane large-angle grain boundaries.

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Author notes

  1. K. S. Harshavardhan

    Present address: Neocera Inc., 335 Paint Branch Drive, 20742, College Park, Maryland

  2. M. Rajeswari

    Present address: Center for Superconductivity Research, Department of Physics, University of Maryland, 20742, College Park, Maryland

Authors and Affiliations

  1. Bellcore, 07701, Red Bank, New Jersey

    K. S. Harshavardhan, M. Rajeswari, D. M. Hwang, C. Y. Chen & T. D. Sands

  2. Center for Superconductivity Research, University of Maryland, 20742, Maryland

    T. Venkatesan

  3. General Electric Corporate Research and Development, 12301, Schenectady, New York

    J. E. Tkaczyk & K. W. Lay

  4. Ceramic Engineering Department, Rutgers University, 08855, Piscataway, New Jersey

    A. Safari & L. Johnson

  5. Electrical Engineering Department, University of Maryland, 20742, College Park, Maryland

    T. Venkatesan

Authors
  1. K. S. Harshavardhan
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  2. M. Rajeswari
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  3. D. M. Hwang
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  4. C. Y. Chen
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  5. T. D. Sands
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  6. T. Venkatesan
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  7. J. E. Tkaczyk
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  8. K. W. Lay
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  9. A. Safari
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  10. L. Johnson
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Additional information

The authors acknowledge the support and encouragement of V. G. Keramidas and P. L. Key. This work was supported by the Electric Power Research Institute (Contract No. RP 7911-13).

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Harshavardhan, K.S., Rajeswari, M., Hwang, D.M. et al. Artificial in-plane ordering of textured YBa2Cu3O7−x films deposited on polycrystalline yttria-stabilized zirconia substrates. J Supercond 5, 533–537 (1992). https://doi.org/10.1007/BF00618244

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  • DOI: https://doi.org/10.1007/BF00618244

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