Article (Scientific journals)
High field behavior of artificially engineered boundaries in melt-processed YBa2Cu3O7-delta
Doyle, R. A.; Bradley, A. D.; Lo, W. et al.
1998In Applied Physics Letters, 73 (1), p. 117-119
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Copyright (1998) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Appl. Phys. Lett. 73, 117 (1998) and may be found at http://link.aip.org/link/?APPLAB/73/117/1.


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Keywords :
grain boundaries; high-Tc superconductors; critical current
Abstract :
[en] Artificial bulk "zero-angle" boundaries parallel to the c axis have been engineered between large melt-processed YBa2CU3O7-delta (YBCO) grains and observed to carry a transport supercurrent at fields up to at least 5 T at 77 K. The temperature and angular dependencies of the boundary resistance have exactly the same form as those of the grains, which is evidence that the grains are intimately coupled. The limiting mechanism for current transfer across these boundaries is, therefore, not a simple weak link or Josephson effect. This joining technique is extremely promising for production of macroscopic engineering artifacts. (C) 1998 American Institute of Physics.
Research center :
SUPRATECS - Services Universitaires pour la Recherche et les Applications Technologiques de Matériaux Électro-Céramiques, Composites, Supraconducteurs - ULiège
Disciplines :
Physics
Author, co-author :
Doyle, R. A.
Bradley, A. D.
Lo, W.
Cardwell, D. A.
Campbell, A. M.
Vanderbemden, Philippe  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Capteurs et systèmes de mesures électriques
Cloots, Rudi ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie inorganique structurale - Doyen de la Faculté des Sciences
Language :
English
Title :
High field behavior of artificially engineered boundaries in melt-processed YBa2Cu3O7-delta
Publication date :
1998
Journal title :
Applied Physics Letters
ISSN :
0003-6951
eISSN :
1077-3118
Publisher :
American Institute of Physics, Melville, United States - New York
Volume :
73
Issue :
1
Pages :
117-119
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
FWB - Fédération Wallonie-Bruxelles [BE]
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