Progress in Superconductivity and Cryogenics (한국초전도ㆍ저온공학회논문지)

The Korean Society of Superconductivity and Cryogenics (한국초전도저온학회)
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YBCO coated conductor with a single $Y_2$O$_3$ buffer layer on biaxially textured Ni and NiW substrates

  • D. Q. Shi (Korea Electrotechnology Research Institute) ;
  • R. K. Ko (Korea Electrotechnology Research Institut) ;
  • K. J. Song (Korea Electrotechnology Research Institut) ;
  • J. K. Chung (Korea Electrotechnology Research Institut) ;
  • H. S. Ha (Korea Electrotechnology Research Institute) ;
  • Kim, H. S. (Korea Electrotechnology Research Institute) ;
  • Park, C. (Korea Electrotechnology Research Institute)
  • Published : 2004.05.01
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Abstract

A study regarding the epitaxial growth of single $Y_2O_3$ buffer layer on biaxially textured Ni and NiW substrates using pulsed laser deposition is presented. Different deposition conditions were employed and compared in order to obtain good epitaxial $Y_2O_3$ film, furthermore importantly, to obtain good YBCO superconducting films. Following YBCO film deposited by PLD on the top of $Y_2O_3$ films have a good structure and superconducting properties. The J$_{c}$ of YBCO films on $Y_2O_3$ /Ni and $Y_2O_3$ /NiW were $1.0{\times}10^6 A/cm^2 and 1.1\times}10^6 A/cm^2$<.TEX> at 77K and self-field respectively, which indicated that $Y_2O_3$ is a suitable candidate as a single buffer layer for the fabrication of YBCO coated conductor.r.

Keywords

References

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