Critical currents in long-length YBCO-coated conductors
Critical currents in long-length YBCO-coated conductors
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DOI：
10.1088/0953-2048/14/9/308
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发表时间：
2001-08
影响因子：
3.6
通讯作者：
A. Usoskin;Juergen Dzick-;A. Issaev;J. Knoke;F. García‐Moreno;K. Sturm;H. Freyhardt
中科院分区：
文献类型：
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作者：
A. Usoskin;Juergen Dzick-;A. Issaev;J. Knoke;F. García‐Moreno;K. Sturm;H. Freyhardt
报道了近年来大面积高温超导涂层不锈钢带的研究进展。用高速脉冲激光沉积技术在IBAD-YSZ缓冲的0.1mm厚的不锈钢薄膜上生长了YBCO薄膜，沉积速率可达40 nm m2 h-1，并制备了长度达5.5m的YBCO涂层不锈钢带。一个模型处理进行描述的分流层和YBCO薄膜之间的电流交换。优化了分流层的参数，以降低涂层带材的电阻损耗。超过105 A的临界直流电流观察到在2米长，10毫米宽的涂层磁带。
Recent progress in developing large-area HTS-coated stainless-steel (SS) tapes is reported. YBCO films have been grown on IBAD-YSZ buffered 0.1 mm-thick SS foils using a high-rate pulsed laser deposition technique which allows an increase of the deposition rate to 40 nm m 2 h -1 , YBCO-coated SS tapes containing a shunt layer, with a length up to 5.5 m, have been manufactured and tested. A model treatment was performed to describe an interchange of current between the shunt layer and the YBCO film. The optimal parameters of the shunt layer have been employed to reduce the resistive loss in the coated tapes. The critical dc current of more than 105 A was observed in a 2 m-long and 10 mm-wide coated tape.