Abstract
The effect of low temperature annealing on the superconducting properties of PLD-YBCO tape has been investigated with varying atmosphere. The T c of the as-prepared sample is 88.5 K, for the sample post-annealed at 200 °C in Ar atmosphere showed 91.5 K, indicating Tc is sensitive to low temperature annealing. In spite of the higher Tc the Jc and μ0Hirr for the Ar-annealed sample were lower than those for the as-prepared sample. This indicates that the as-prepared PLD-YBCO tape is in the carrier overdoped state. It was found that re-annealing in which the sample was slowly cooled from 450 °C in pure oxygen atmosphere could restore the Jc-degradation, demonstrating that oxygen absorption-release occurred reversely.
| Original language | English |
|---|---|
| Pages (from-to) | 1113-1117 |
| Number of pages | 5 |
| Journal | Physica C: Superconductivity and its applications |
| Volume | 426-431 |
| Issue number | II |
| DOIs | |
| Publication status | Published - 2005 Oct 6 |
| Event | Proceedings of the 17th Internatioanl Symposium on Superconductivity (ISS 2004) Advances in Superconductivity - Duration: 2004 Nov 23 → 2004 Nov 25 |
Keywords
- Coated conductor
- Oxygen content
- PLD
- Post-annealing
- YBCO
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering
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Kato, J. Y., Chikumoto, N., Sakai, N., Iijima, Y., Kakimoto, K., Saitoh, T., Watanabe, T., Yamada, Y., & Tajima, S. (2005). Effect of low temperature annealing on doping level and superconducting properties for IBAD/PLD-YBCO coated conductor. Physica C: Superconductivity and its applications, 426-431(II), 1113-1117. https://doi.org/10.1016/j.physc.2005.01.061