Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
57 (1990), S. 2594-2596
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Good quality superconducting YBa2Cu3O7−δ thin films have been grown on nickel-based superalloy, viz., Hastelloy with yttria-stabilized zirconia buffer layers employing a single chamber in situ pulsed laser deposition process. YBa2Cu3O7−δ films were found to be textured with c axis perpendicular to the substrate. A plot of normalized resistance against temperature exhibited a smooth metallic behavior followed by an onset superconducting transition at 92 K with the zero resistance temperature (Tc0) of 86 K. Critical current density for these films at 77 K was ∼7000 A cm−2 and critical current (Ic) was observed to be proportional to (1 − T/Tc0)1.4.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.103825
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