Critical current of a high Tc Josephson grain boundary junction in high magnetic field
- 14 September 1992
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 61 (11) , 1355-1357
- https://doi.org/10.1063/1.107590
Abstract
The critical current (Ic) of YBa2Cu3O7−δ grain boundary Josephson junctions was measured up to magnetic fields of 5 T. Magnetic field history dependent Ic values were observed even after correction for self‐field effects stemming from hysteretic shielding currents in the grain adjacent to the boundary. A novel feature observed is an anomalous increase in Ic in high magnetic fields of several Telsa.Keywords
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