Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
55 (1989), S. 396-398
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
This letter is concerned with the mechanism controlling the transport critical current measured at 4.2 K. The current densities increased with decreasing the oxide layer thickness of Ag sheathed tapes and reached 1010 A/cm2 at 15 T for the tape with a 15-μm-thick layer. The magnetic field dependence of critical current density in the region between 0.5 and 15 T can be explained in terms of a modified model of the theory by E. J. Kramer [J. Appl. Phys. 44, 1360 (1973)], based on the weak flux pinning along grain boundaries.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.102423
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