Dislocations and flux pinning in YBa2Cu3O7 |
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| Authors: | Eric P Kvam Vikram Pavate Daniel S Linehan |
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| Affiliation: | (1) School of Materials Engineering, Purdue University, 47907 West Lafayette, IN |
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| Abstract: | The dislocation structures of bulk textured and epitaxial thin film YBa2Cu3O7 superconductors are examined. Correlations between increases in flux pinning and dislocation densities are noted. A model
for flux pinning by individual dislocations is presented. This gives a treatment of strain induced effects and effects of
normal state region interactions. It is shown that the values of pinning predicted are in line with experimental observations. |
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| Keywords: | Dislocations flux pinning superconductor YBa2Cu3O7 |
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