Doubling the critical current density of high temperature superconducting coated conductors through proton irradiation
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- Y. Jia
- Materials Science Division, Argonne National Laboratory 1 , 9700 S. Cass Avenue, Argonne, Illinois 60439, USA
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- M. LeRoux
- Materials Science Division, Argonne National Laboratory 1 , 9700 S. Cass Avenue, Argonne, Illinois 60439, USA
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- D. J. Miller
- Materials Science Division, Argonne National Laboratory 1 , 9700 S. Cass Avenue, Argonne, Illinois 60439, USA
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- J. G. Wen
- Materials Science Division, Argonne National Laboratory 1 , 9700 S. Cass Avenue, Argonne, Illinois 60439, USA
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- W. K. Kwok
- Materials Science Division, Argonne National Laboratory 1 , 9700 S. Cass Avenue, Argonne, Illinois 60439, USA
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- U. Welp
- Materials Science Division, Argonne National Laboratory 1 , 9700 S. Cass Avenue, Argonne, Illinois 60439, USA
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- M. W. Rupich
- American Superconductor Corp. 2 , 64 Jackson Road, Devens, Massachusetts 01434, USA
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- X. Li
- American Superconductor Corp. 2 , 64 Jackson Road, Devens, Massachusetts 01434, USA
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- S. Sathyamurthy
- American Superconductor Corp. 2 , 64 Jackson Road, Devens, Massachusetts 01434, USA
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- S. Fleshler
- American Superconductor Corp. 2 , 64 Jackson Road, Devens, Massachusetts 01434, USA
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- A. P. Malozemoff
- American Superconductor Corp. 2 , 64 Jackson Road, Devens, Massachusetts 01434, USA
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- A. Kayani
- Department of Physics, Western Michigan University 3 , Kalamazoo, Michigan 49008-5252, USA
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- O. Ayala-Valenzuela
- Los Alamos National Laboratory 4 , MS-K764, Los Alamos, New Mexico 87545, USA
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- L. Civale
- Los Alamos National Laboratory 4 , MS-K764, Los Alamos, New Mexico 87545, USA
Description
<jats:p>The in-field critical current of commercial YBa2Cu3O7 coated conductors can be substantially enhanced by post-fabrication irradiation with 4 MeV protons. Irradiation to a fluence of 8 × 1016 p/cm2 induces a near doubling of the critical current in fields of 6 T || c at a temperature of 27 K, a field and temperature range of interest for applications, such as rotating machinery. A mixed pinning landscape of preexisting precipitates and twin boundaries and small, finely dispersed irradiation induced defects may account for the improved vortex pinning in high magnetic fields. Our data indicate that there is significant head-room for further enhancements.</jats:p>
Journal
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- Applied Physics Letters
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Applied Physics Letters 103 (12), 122601-, 2013-09-16
AIP Publishing
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Details 詳細情報について
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- CRID
- 1361418520598938112
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- ISSN
- 10773118
- 00036951
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- Data Source
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- Crossref