Abstract
Superconducting Y-Ba-Cu-O films have been grown on mirror-finished flexible stainless steel substrates. Plasma assisted laser deposition (PLD) technique enabled us to grow these films at a reduced substrate temperature of 550°C. Superconducting properties of these as-deposited films depend largely on the surface condition of the substrate. In-situ oxidation of the substrate, Ar ion milling, and buffer layer growth, prior to Y-Ba-Cu-O deposition, produced films with critical temperatures ranging from 78–83K. Critical currents of 3 × 103–104 A/cm2 at 40K have been obtained. Scanning electron microscopy and Auger spectroscopy have been utilized to study the surface morphology and the interfacial diffusion of the films.
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Witanachchi, S., Shaw, D.T., Kwok, H.S., Narumi, E., Zhu, Y.Z., Patel, S. (1990). Multilayer Flexible Oxide Superconducting Tapes. In: Kwok, H.S., Kao, YH., Shaw, D.T. (eds) Superconductivity and Applications. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-7565-4_66
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DOI: https://doi.org/10.1007/978-1-4684-7565-4_66
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