Electrical Transport Dissipation Effects in Epitaxial Y1ba2cu3o7.X Thin Films

MRS Online Proceedings Library volume 169, pages883–886(1989)Cite this article

Abstract

The electrical transport properties of a series of Y1Ba2Cu307.x thin films deposited onto single crystal substrates by thermal coevaporation and laser ablation were investigated. For fully epitaxial, c-oriented films on (001) substrate surfaces, the critical current density Jc showed large high-field enhancements for the film aligned with H parallel to the copper-oxygen planes. With H||c, a precipitous decay of Jc with increasing field is described by thermally activated flux motion. Films on (110) SrTiO3 substrates were comprised of finely-divided arrays of grains having [110], and <103>-type orientations, and exhibited granular behavior. For these “triaxial” films, the transport dissipation was also thermally activated but with much smaller energy barriers.

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Affiliations

  1. Solid State Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831-6061, USA

    D. K. Christen, C. E. Klabunde, R. Feenstra, D. H. Lowndes, D. Norton, H. R. Kerchner, J. R. Thompson, S. T. Sekula, J. D. Budai & L. A. Boatner

  2. University of Tennessee, Knoxville, TN, 37996-1200, USA

    J. R. Thompson

  3. North Carolina State University, Raleigh, NC, 27695, USA

    J. Narayan & R. Singh

Authors
  1. D. K. Christen
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  2. C. E. Klabunde
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  3. R. Feenstra
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  4. D. H. Lowndes
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  5. D. Norton
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  6. H. R. Kerchner
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  7. J. R. Thompson
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  8. S. T. Sekula
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  9. J. D. Budai
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  10. L. A. Boatner
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  11. J. Narayan
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  12. R. Singh
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Corresponding author

Correspondence to D. K. Christen.

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Christen, D.K., Klabunde, C.E., Feenstra, R. et al. Electrical Transport Dissipation Effects in Epitaxial Y1ba2cu3o7.X Thin Films. MRS Online Proceedings Library 169, 883–886 (1989). https://doi.org/10.1557/PROC-169-883

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