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Title: Rapid doubling of the critical current of Yba{sub 2}Cu{sub 3}O{sub 7-{delta}} coated conductor for viable high-speed industrial processing.

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4935335· OSTI ID:1237684

We demonstrate that 3.5-MeV oxygen irradiation can markedly enhance the in-field critical current of commercial 2nd generation superconducting tapes with an exposure time of just one second per 0.8 cm2. The speed demonstrated here is now at the level required for an industrial reel-to-reel post-processing. The irradiation is made on production line samples through the protective silver coating and does not require any modification of the growth process. From TEM imaging, we identify small clusters as the main source of increased vortex pinning.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Center for Emergent Superconductivity (CES); Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science - Office of Basic Energy Sciences - Materials Sciences and Engineering Division; USDOE Office of Science - Energy Frontier Research Center - Center for Emergent Superconductivity
DOE Contract Number:
AC02-06CH11357
OSTI ID:
1237684
Journal Information:
Applied Physics Letters, Vol. 107, Issue 19; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English

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High-performance irreversibility field and flux pinning force density in BaHfO 3 -doped GdBa 2 Cu 3 O y tape prepared by pulsed laser deposition journal January 2015
Mixed pinning landscape in nanoparticle-introduced YGdBa2Cu3Oy films grown by metal organic deposition journal May 2011
Defect independence of the irreversibility line in proton-irradiated Y-Ba-Cu-O crystals journal August 1990
Enhancement of critical current densities by heavy-ion irradiation in YBa 2 Cu 3 O 7 δ observed using the high-resolution Faraday effect journal January 1993
Effect of 5.3-GeV Pb-ion irradiation on irreversible magnetization in Y-Ba-Cu-O crystals journal October 1991
Latent track formation induced by high energy heavy ions in superconductive copper oxides journal April 1991
Vortex confinement by columnar defects in YBa 2 Cu 3 O 7 crystals: Enhanced pinning at high fields and temperatures journal July 1991
Structures and effects of radiation damage in cuprate superconductors irradiated with several-hundred-MeV heavy ions journal September 1993
Vortex pinning and creep in high-temperature superconductors with columnar defects journal July 1997
Anisotropically splayed and columnar defects in untwinned YBa 2 Cu 3 O 7 δ journal December 1998
Vortex pinning by compound defects in YBa 2 Cu 3 O 7 δ journal July 2010
Irradiation Response of Next Generation High Temperature Superconductors for Fusion Energy Applications journal August 2014
Engineered Pinning Landscapes for Enhanced 2G Coil Wire journal April 2016
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Pinning in layered inhomogeneous superconductors journal April 1991
Theory and simulations on strong pinning of vortex lines by nanoparticles journal September 2011
Strong pinning in high-temperature superconducting films journal July 2002
High-temperature change of the creep rate in YBa 2 Cu 3 O 7 δ films with different pinning landscapes journal May 2012
Magnetic relaxation in high-temperature superconductors journal July 1996
Overview of Materials and Power Applications of Coated Conductors Project journal December 2011
Pinning in layered inhomogeneous superconductors journal January 1992
The Development of Second Generation HTS Wire at American Superconductor journal June 2007
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Competition between pinning produced by extrinsic random point disorder and superconducting thermal fluctuations in oxygen-deficient GdBa 2 Cu 3 O x coated conductors journal November 2019
Energy dependent structure of Xe ion tracks in YBCO and the effect on the superconductive properties in magnetic fields journal October 2019
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