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Effects of crossed columnar defects on vortex pinning in Bi 2 Sr 2 CaCu 2 O 8
| Content Provider | Semantic Scholar |
|---|---|
| Author | Hardy, Vincent Hébert, Sylvie Provost, Janine Simon, Ch. |
| Copyright Year | 1999 |
| Abstract | To investigate the existence of a splay effect in Bi2Sr2CaCu2O8 (Bi-2212), vortex pinning has been studied in different configurations of strongly inclined columnar defects (75◦ from the c axis), installed by heavy-ion irradiation. It is shown that the symmetry of the track setting with respect to the field direction is a more influent parameter than the presence of a dispersion in the track directions. We claim that the enhanced pinning efficiency which is observed in some splayed configurations of columnar defects in Bi-2212 can be interpreted without invoking a splay effect. PACS. 74.60.Ge Flux pinning, flux creep, and flux-line lattice dynamics – 74.60.Jg Critical currents – 74.72.Hs Bi-based cuprates |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.edpsciences.org/articles/epjb/pdf/2000/13/b9788.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |