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SMALL-ANGLE NEUTRON-DIFFRACTION STUDIES OF VORTEX STRUCTURES IN HIGH-TEMPERATURE SUPERCONDUCTORS
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UNSPECIFIED (1994) SMALL-ANGLE NEUTRON-DIFFRACTION STUDIES OF VORTEX STRUCTURES IN HIGH-TEMPERATURE SUPERCONDUCTORS. In: International Conference on Materials and Mechanisms of Superconductivity - High Temperature Superconductors IV (M2S-HTSC IV), JUL 05-09, 1994, GRENOBLE, FRANCE.
Full text not available from this repository.Abstract
We have used neutron scattering to provide direct information about flux structures in the bulk of crystals of the superconductor Bi2Sr2CaCu2O8. Its extremely high effective mass anisotropy, makes the flux lattice susceptable to melting and also to decomposition into 'pancake' vortices, which would give a more two-dimensional vortex structure. At low temperatures and fields the scattered intensity is consistent with a three dimensional flux-line structure. At higher fields and temperatures, the scattering from the flux lattice dissapears well below T-c. We can associate this dissappearance with the above changes in the vortex structure. We compare the neutron scattering results with macroscopic measurements of magnetisation.
| Item Type: | Conference Item (UNSPECIFIED) |
|---|---|
| Subjects: | Q Science > QC Physics |
| Journal or Publication Title: | PHYSICA C |
| Publisher: | ELSEVIER SCIENCE BV |
| ISSN: | 0921-4534 |
| Date: | December 1994 |
| Volume: | 235 |
| Number: | Part 4 |
| Number of Pages: | 2 |
| Page Range: | pp. 2583-2584 |
| Publication Status: | Published |
| Title of Event: | International Conference on Materials and Mechanisms of Superconductivity - High Temperature Superconductors IV (M2S-HTSC IV) |
| Location of Event: | GRENOBLE, FRANCE |
| Date(s) of Event: | JUL 05-09, 1994 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/20037 |
Data sourced from Thomson Reuters' Web of Knowledge
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