Effects of ZrO2 on the texturing and properties of melt-processed Y1Ba2Cu3O7-δ

Jenh-Yih Juang*, C. L. Wu, S. J. Wang, M. L. Chu, Kaung-Hsiung Wu, T. M. Uen, Y. S. Gou, H. L. Chang, C. Wang, M. J. Tsai

*Corresponding author for this work

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The addition of ZrO2 is found to be very effective as the nucleation sites to promote the oriented growth of Y1Ba 2Cu3O7-δ (YBCO) during peritectic solidification. Extended regions of well- textured YBCO grains with superior superconducting properties of the YBCO bulk are readily obtained by a single-step melt process at much lower process temperatures. At 77 K, the platelike Josephson weak-link behaviors observed in pure melt-processed YBCO have been effectively eliminated, indicating that the coherency between the spherulitic superconducting YBCO grains may have been greatly improved by ZrO2 additions.

Original languageEnglish
Pages (from-to)2306-2308
Number of pages3
JournalApplied Physics Letters
Issue number17
StatePublished - 25 Apr 1994

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