NDLI: Measurement of current density distribution in high T/sub c/ Ag-sheathed superconducting tapes

Content Provider	IEEE Xplore Digital Library
Author	Usak, P. Chovanec, F.
Copyright Year	2002
Abstract	Flux history and local inhomogeneities in j/sub c/ govern the current distribution in measured Ag-sheathed TlBaCaCuO-2212 and Bi(Pb)SrCaCuO-2223 tapes. The sausage effect and local grain density and coupling fluctuations result in inhomogeneity in j/sub c/ distribution. This is reflected in violation of axial symmetry across the tape as well as longitudinal translation symmetry along the tape. Hall probe mapping of self field component with or without presence of external field was used to achieve the data for inverse calculation of current distribution and its dynamics in response to time variation of flux. To reveal the asymmetry in j/sub c/ distribution across the tape width the method of gradient field scanning/reversing was applied.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1343
Ending Page	1346
Page Count	4
File Size	621819
File Format	PDF
ISSN	10518223
Volume Number	7
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Density measurement Current measurement Current density Superconducting films Wire Magnetic field measurement Current distribution Superconductivity Silver Magnetic sensors
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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