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High Jc YBa2Cu3O7-δ films via rapid, low pO2 pyrolysis

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Abstract

In this investigation YBa2Cu3O7-δ (YBCO) films were fabricated via a metal acetate, trifluoroacetic acid based sol-gel route and spin-coat deposited on (100) LaAlO3 with a focus on maximizing Jc, while minimizing processing time. We demonstrate that the use of a low-pO2 atmosphere during the pyrolysis stage can lead to at least a tenfold reduction in pyrolysis time, compared to a 1 atm O2 ambient. High-quality YBCO films on LaAlO3, with Jc values up to 3 MA/cm2 at 77 K, can be routinely crystallized from these rapidly pyrolyzed films.

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Authors and Affiliations

  1. Sandia National Laboratories, P.O. Box 5800, 87185, Albuquerque, New Mexico, USA

    J. T. Dawley, P. G. Clem, M. P. Siegal & D. L. Overmyer

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  1. J. T. Dawley
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  2. P. G. Clem
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  3. M. P. Siegal
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  4. D. L. Overmyer
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Dawley, J.T., Clem, P.G., Siegal, M.P. et al. High Jc YBa2Cu3O7-δ films via rapid, low pO2 pyrolysis. Journal of Materials Research 16, 13–16 (2001). https://doi.org/10.1557/JMR.2001.0004

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  • DOI: https://doi.org/10.1557/JMR.2001.0004

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