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Dislocations and flux pinning in YBa2Cu3O7

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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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Authors and Affiliations

  1. School of Materials Engineering, Purdue University, 47907, West Lafayette, IN

    Eric P. Kvam, Vikram Pavate & Daniel S. Linehan

Authors
  1. Eric P. Kvam
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  2. Vikram Pavate
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  3. Daniel S. Linehan
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Kvam, E.P., Pavate, V. & Linehan, D.S. Dislocations and flux pinning in YBa2Cu3O7 . J. Electron. Mater. 23, 1183–1189 (1994). https://doi.org/10.1007/BF02649967

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  • DOI: https://doi.org/10.1007/BF02649967

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