Possible twin-boundary effect upon the properties of high-Tc superconductors

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1988-02-01
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Fang, M. M.
Kogan, Vladimir
Finnemore, Douglas
Clem, J.
Chumbley, L. Scott
Farrell, D.
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Materials Science and Engineering
Abstract

We have studied the field at which superconductivity nucleates in grain-aligned samples of Y1Ba2Cu3O7-δ very close to the transition temperature Tc. For the field parallel to the c axis and for temperatures within 2 K of Tc, the nucleation field is found to vary as (1-T/Tc)1/2. The data suggest that superconductivity localized near twin boundaries may exist at temperatures close to Tc. .AE

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This is an article from Physical Review B; 37 (1988): 2334-2338, doi: 10.1103/PhysRevB.37.2334. Posted with permission.

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Fri Jan 01 00:00:00 UTC 1988
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