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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Eidelloth, W. Barnes, F.S. Geller, S. Wu, K.Y. Sheng, Z.Z. Hermann, A.M. |
| Copyright Year | 1965 |
| Abstract | The characteristics of point contacts with combinations of Pb, YBa/sub 2/Cu/sub 3/O/sub 7-x/, Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub x/, (YBCO), (BSCCO), and Tl/sub 2/Ca/sub 2/Ba/sub 2/Cu/sub 3/O/sub 10+x/ (TCBCO) have been measured in a shielded liquid helium dewar. Zero-voltage currents were found in all arrangements; diffraction patterns in the voltage-flux curves were observed with all materials. Electron pairs were confirmed as carriers in all investigated high-T/sub c/ materials. All junctions resembled weak-link bridge structures rather than tunnel junctions. Despite strong shunting, hysteresis was found in the I-V curves of some point contacts. A structure of unknown origin was found in the I-V curves of YBCO-BSCCO junctions. Both YBCO-YBCO and BSCCO-BSCCO junctions had much lower normal resistances and considerably higher critical currents than YBCO-BSCCO point contacts. The reason for this phenomenon is not yet understood.< |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 939 |
| Ending Page | 942 |
| Page Count | 4 |
| File Size | 393040 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 25 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1989-03-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Josephson junctions Strontium Yttrium barium copper oxide Bismuth compounds Diffraction Voltage Electrons Bridge circuits Hysteresis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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