Growth and possible size limitation of quality single-grain YBa2Cu3O7

R. L. Meng, L. Gao, P. Gautier-Picard, D. Ramirez, Y. Y. Sun, C. W. Chu

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89 引文 斯高帕斯(Scopus)


We have studied the growth of disks of single-grain YBa2Cu3O7 (3BCO) with diameter to 5 cm using a top-seeded melt-texture technique. The quality of these YBCO disks was found to depend critically on the quality and size of the seed used, the temperature schedule of the growth adopted, the amount of Y2BaCuO5 and Pt added, and the size of the final disks processed. Samples of a diameter of 2.5 cm so-prepared have been observed to shield a magnetic field greater than 20 T at 4.2 K and to trap a field of 1.3 T at 77 K. However, no significant increase in the trapped field has been achieved by increasing the diameter of the disk to beyond ∼ 3 cm.

頁(從 - 到)337-346
期刊Physica C: Superconductivity and its applications
出版狀態Published - 1994 11月 1

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學
  • 能源工程與電力技術
  • 電氣與電子工程


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