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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kramer, M.J. Farmer, J.W. Arrasmith, S.R. McCallum, R.W. |
| Copyright Year | 2002 |
| Abstract | The authors have investigated the effect of fast neutron irradiation on c-axis-aligned Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub 8/ (Bi2212) produced using a new technique. Amorphous Bi2212 was crystallized under 20 MPa uniaxial stress at 870 degrees C for 6 h. DC superconducting quantum interference device (SQUID) shows a transition onset of 90 K. Material was cut into 2*2*0.150 mm slabs, sealed in quartz ampules, and irradiated at fluences of 10/sup 16/, 5*10/sup 16/, 2.5*10/sup 17/, and 7*10/sup 17/ n/cm/sup 2/. DC SQUID results show that critical current density, J/sub c/, is increased by a factor of 2.5 at 10 K for fluences of 7.2*10/sup 17/ for H parallel to c-axis for fields less than 3 T. The higher the fluence, the lower the dependency of J/sub c/ on applied field and temperature. Critical temperature, T/sub c/, decreased by 1 K for a fluence of 2.5*10/sup 17/ n/cm/sup 2/ with an additional 2 K drop for 7.2*10/sup 17/ n/cm/sup 2/. The increase in the width of the high field hysteresis loops for increasing fluence is more pronounced for samples measured normal to the c-axis.< |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 1186 |
| Ending Page | 1189 |
| Page Count | 4 |
| File Size | 513318 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 3 |
| Issue Number | 1 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1993-03-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Critical current Neutrons SQUIDs Superconducting materials Bismuth Strontium Amorphous materials Crystallization Stress Superconducting devices |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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