Transactions on Electrical and Electronic Materials

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Preparation of Crack-free HTS YBCO Films by EPD Method

  • Soh, Dea-Wha (Department of Electronic Engineering, College of Engineering, Myongji University) ;
  • Li Yingmei (Department of Electronic Engineering, College of Engineering, Myongji University) ;
  • Nataly Korobova (School of Materials Science and Engineering, Seoul National University)
  • Published : 2003.10.01
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Abstract

Electrophoretic deposition (EPD) of alcohol YBCO suspensions on the Ag wire electrode is studied. Polyethyleneglycol was coordinated to a structure formed by the EPD process with YBCO particles. The d.c electric fields of 200-300 V/cm are applied for 1-10 min. The optimal condition for the EPD allows modifying the properties and microstructure of the deposited films. Superconducting coatings with nanometer-sized pores and a preferred orientation along the caxis were prepared from the result with chemically modified precursor solution. In contrast, YBCO coatings of submicrometer-sized pores and randomly orientated grains were prepared from the solution without PEG.

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References

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