本文采用高分子辅助化学溶液沉积(PACSD)的方法,在双轴织构的Ni-5%W合金基底上制备了Sm0.2Ce0.8O1.9-x(SCO)单一缓冲层,并研究了不同退火温度对缓冲层织构和微结构的影响.研究结果表明,通过1100℃退火处理可以得到织构优良、表面致密平整,厚度可达200nm的SCO单一缓冲层.在该缓冲层上用类似的方法沉积的YBCO薄膜的临界超导转变温度Tc0为87K且Jc可达0.5 MA·cm2(在77 K时).可以认为,Sm掺杂CeO2是制备单一缓冲层的一种有效的适合大规模生产的新途径.
参考文献
| [1] | Y. X. Zhou;X. Zhang;H. Fang;P. T. Putman;K. Salama .Development of Single Solution Buffer Layers on Textured Ni Substrate for HTS Coated Conductors[J].IEEE Transactions on Applied Superconductivity: A Publication of the IEEE Superconductivity Committee,2005(2 Pt.3):2711-2714. |
| [2] | Nemetschek R.;Prusseit W.;Holzapfel B.;Eickemeyer J.;DeBoer B.;Miller U.;Maher E. .Continuous YBa2Cu3O7-tape deposition by thermal evaporation[J].Physica, C. Superconductivity and its applications,2002(Pt.2):880-882. |
| [3] | D Q Shi;R K Ko;K J Song .Deposition of Y_2O_3 film on textured metal substrates for a single buffer layer of a YBCO coated conductor[J].Superconductor Science & Technology,2005(4):561-565. |
| [4] | Jun BH.;Sun JW.;Kim HJ.;Lee DW.;Jung CH.;Park SD.;Kirn CJ. .Fabrication of YSZ buffer layer by single source MOCVD technique for YBCO coated conductor[J].Physica, C. Superconductivity and its applications,2003(Pt.2):867-872. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%