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| Content Provider | Springer Nature Link |
|---|---|
| Author | Bulla, L. Husek, I. Kováč, P. Melišek, T. Reissner, M. |
| Copyright Year | 2013 |
| Abstract | Magnetic behaviour of a series of MgB$_{2}$ wires, in each case with 19 filaments of superconductor, surrounded by Ti as barrier and reinforced by stainless steel, prepared in the same way but mechanically deformed to different filament diameters ϕ between 58.5 and 17.7 µm, was investigated. Whereas no influence of ϕ on superconducting transition temperature is found, the width of the transition increases with ϕ. Critical current density, irreversibility line and mean effective activation energy U decrease systematically with decreasing ϕ. From a comparison of the field dependence of the pinning force and the temperature dependence of U, it is concluded, that pinning is dominated at low fields by grain boundary pinning and at higher fields by point defect pinning, with a rather broad distribution of pinning energies. |
| Starting Page | 2139 |
| Ending Page | 2142 |
| Page Count | 4 |
| File Format | |
| ISSN | 03744884 |
| Journal | Journal of the Korean Physical Society |
| Volume Number | 62 |
| Issue Number | 12 |
| e-ISSN | 19768524 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2013-07-09 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Critical current density Theoretical, Mathematical and Computational Physics Magnetic measurements Relaxation measurements Activation energy Physics Particle and Nuclear Physics MgB$_{2}$ wires |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
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