Ono, R.
, Goodrich, L.
, Beall, J.
, Johansson, M.
and Reintsema, C.
(1991),
Magnetic field dependence of the critical current anisotropy in normal metal-YBa,Cu307-delta thin-film bilayers, Applied Physics Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=905534
(Accessed December 16, 2024)
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Magnetic field dependence of the critical current anisotropy in normal metal-YBa,Cu307-delta thin-film bilayers
Published
Author(s)
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Abstract
We have measured the transport critical current density (Jc) in epitaxial quality films of YBa2Cu307-delta some of which were covered by thin (10 nm) Ag films. The films, both with and without Ag, had J, values greater than IO^6 A/cm^2 in liquid nitrogen. The effect of the Ag was to greatly reduce the dependence of J, on external magnetic fields in the case where the field was oriented in the plane of the film, that is, perpendicular to the c axis. It is unlikely that the effect is simply due to altered surface pinning, although qualitative agreement with critical state models is observed.Citation
Applied Physics Letters
Volume
58
Pub Type
Journals
Download Paper
Keywords
Magnetic, anisotropy, bilayers
Citation
Issues
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Created January 11, 1991, Updated February 19, 2017