Journal
29TH INTERNATIONAL SYMPOSIUM ON SUPERCONDUCTIVITY
Volume 871, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1742-6596/871/1/012039
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Engineered nanoscale defects within REBa2Cu3O7-delta based coated conductors are of great interest for enhancing vortex-pinning, especially in high-applied magnetic fields. We have conducted extensive research to optimize vortex-pinning and enhance J(c) via controlled introduction of various types of nanoscale defects. This paper provides a summary on how density, morphology, and composition of these engineered nanoscale defects affects vortex-pinning in different field and angular regimes in the temperature regime of 5K-77K. It is shown that certain nanodefect configurations that provide the best performance at high-operating temperatures also result in the optimal properties with record values of the critical current density and the pinning force at low operating temperatures and high-applied magnetic fields.
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