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2010 | 118 | 5 | 1036-1037
Article title

Contactless Estimation of Critical Current Density and Its Temperature Dependence Using Magnetic Measurements

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EN
Abstracts
EN
We have measured magnetic response of second-generation high temperature superconductor YBa_2Cu_3O_{x} wire and Nb thin film in perpendicular ac field as a function of temperature. We compare experimental complex ac susceptibility to the calculated susceptibility based on the model of Bean's critical-state response in two-dimensional disk in perpendicular field. The harmonic analysis is needed for comparison between the model and the experimental data. We present a method of linking model and experimental susceptibility. Good agreement of experimental susceptibility with model susceptibility of 2D disk allows contactless estimation of critical depinning current density and its temperature dependence.
Keywords
EN
Publisher

Year
Volume
118
Issue
5
Pages
1036-1037
Physical description
Dates
published
2010-11
Contributors
author
  • Charles University in Prague, Faculty of Mathematics and Physics, 121 16 Prague 2, Czech Republic
author
  • Charles University in Prague, Faculty of Mathematics and Physics, 121 16 Prague 2, Czech Republic
author
  • Institute of Physics of the AS CR, v.v.i., Na Slovance 2, 182 21 Prague, Czech Republic
author
  • Institute of Physics of the AS CR, v.v.i., Na Slovance 2, 182 21 Prague, Czech Republic
References
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  • 2. Data by courtesy of P.J. Lee, see magnet.fsu.edu/~lee/plot/plot.htm
  • 3. E.H. Brandt, Phys. Rev. B 55, 14513 (1997)
  • 4. J.R. Clem, A. Sanchez, Phys. Rev. B 50, 9355 (1994)
  • 5. A. Youssef, Z. Svindrych, Z. Janu, J. Appl. Phys. 106, 063901 (2009)
  • 6. A. Youssef, Z. Svindrych, J. Hadac, Z. Janu, IEEE Trans. Appl. Supercond. 18, 1589 (2008)
  • 7. Torsten May, Ph.D. Thesis, Institute for Physical High Technology, Jena, Germany 1999
  • 8. D.W. Hazelton, V. Selvamanickam, J.M. Duval, D.C. Larbalestier, W.D. Markiewicz, H.W. Weijers, R.L. Holtz, IEEE Trans. Appl. Supercond. 19, 2218 (2009)
  • 9. V. Selvamanickam, Y. Chen, X. Xiong, Y.Y. Xie, M. Martchevski, A. Rar, Y. Qiao, R.M. Schmidt, A. Knoll, K.P. Lenseth, C.S. Weber, IEEE Trans. Appl. Supercond. 19, 3225 (2009)
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv118n5132kz
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