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Non-cracking YBCO Films on Silver Wire  

Soh, Dea-Wha (EI&CE, MJU)
Korobova, N. (SMS&E, SNU)
Li, Young-Mae (Samtec Korea)
Publication Information
Journal of the Speleological Society of Korea / v., no.76, 2006 , pp. 1-13 More about this Journal
Abstract
Electrophoretic deposition (EPD) of alcohol YBCO suspensions on the Ag wire electrode is studied. Poly(ethylene glycol) was coordinated to a structure formed by the EPD process with YBCO particles. The suspension is characterized in terms of zeta potential and conductivity. 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 c-axis 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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