Percolative transition and scaling of transport E-J characteristics in YBCO coated IBAD tape

Takanobu Kiss, Masayoshi Inoue, S. Egashira, T. Kuga, M. Ishimaru, M. Takeo, T. Matsushita, Y. Iijima, K. Kakimoto, T. Saitoh, S. Awaji, K. Watanabe, Y. Shiohara

Research output: Contribution to journalConference article

22 Citations (Scopus)

Abstract

We have investigated extended electric field-vs.-current density E-J characteristics in YBCO coated IBAD tapes. The results of a Monte-Carlo study on the depinning in a random pin medium were compared with measurements. Using a low temperature scanning laser microscope, we examined the percolative behavior of the local resistive transition in the YBCO tape. It was also shown that the depinning probability, which is proportional to the dynamic resistance of the E-J curves, is scaled as a function of reduced current density with the aid of a power index. Consequently, the E-J characteristics in the tapes can be described by the combination of the two kinds of scaling laws: one is the scaling law of the depinning probability predicted in a random network and the other is the scaling law for the flux pinning force. These properties agree well with the percolation model of depinned clusters.

Original languageEnglish
Pages (from-to)2607-2610
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume13
Issue number2 III
DOIs
Publication statusPublished - Jun 1 2003
Event2002 Applied Superconductivity Conference - Houston, TX, United States
Duration: Aug 4 2002Aug 9 2002

Fingerprint

Ion beam assisted deposition
Scaling laws
scaling laws
Tapes
tapes
scaling
Current density
current density
Flux pinning
flux pinning
Microscopes
microscopes
Electric fields
Scanning
scanning
electric fields
Lasers
curves
lasers
Temperature

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)

Cite this

Percolative transition and scaling of transport E-J characteristics in YBCO coated IBAD tape. / Kiss, Takanobu; Inoue, Masayoshi; Egashira, S.; Kuga, T.; Ishimaru, M.; Takeo, M.; Matsushita, T.; Iijima, Y.; Kakimoto, K.; Saitoh, T.; Awaji, S.; Watanabe, K.; Shiohara, Y.

In: IEEE Transactions on Applied Superconductivity, Vol. 13, No. 2 III, 01.06.2003, p. 2607-2610.

Research output: Contribution to journalConference article

Kiss, T, Inoue, M, Egashira, S, Kuga, T, Ishimaru, M, Takeo, M, Matsushita, T, Iijima, Y, Kakimoto, K, Saitoh, T, Awaji, S, Watanabe, K & Shiohara, Y 2003, 'Percolative transition and scaling of transport E-J characteristics in YBCO coated IBAD tape', IEEE Transactions on Applied Superconductivity, vol. 13, no. 2 III, pp. 2607-2610. https://doi.org/10.1109/TASC.2003.811906
Kiss, Takanobu ; Inoue, Masayoshi ; Egashira, S. ; Kuga, T. ; Ishimaru, M. ; Takeo, M. ; Matsushita, T. ; Iijima, Y. ; Kakimoto, K. ; Saitoh, T. ; Awaji, S. ; Watanabe, K. ; Shiohara, Y. / Percolative transition and scaling of transport E-J characteristics in YBCO coated IBAD tape. In: IEEE Transactions on Applied Superconductivity. 2003 ; Vol. 13, No. 2 III. pp. 2607-2610.
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