Abstract
In order to evaluate the distribution of flux pinning for a melt-textured grown bulk YBa2Cu3O7 under magnetic fields, the E-J properties for samples prepared under various magnetic fields were measured. The measured E-J properties were analyzed on the basis of a local Jc distribution model proposed by Yamafuji and Kiss [K. Yamafuji and T. Kiss: Physica C 290 (1997) 9]. The distribution of local Jc was found to narrow continuously with increasing magnetic field applied to the melt growth process, independent of the critical current density. The weak links at subdomain boundaries were considered to improve as a result of the change in crystallinity.
Original language | English |
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Pages (from-to) | L330-L333 |
Journal | Japanese Journal of Applied Physics, Part 2: Letters |
Volume | 40 |
Issue number | 4 A |
DOIs | |
Publication status | Published - 2001 Apr 1 |
Keywords
- E-J property
- Flux pinning
- Melt growth in magnetic field
- Superconductivity
ASJC Scopus subject areas
- Engineering(all)
- Physics and Astronomy (miscellaneous)
- Physics and Astronomy(all)