高温超导氧化物YBCO外延薄膜在掺入少量锆酸钡(BaZrO3,BZO)后,其超导性能会得到较大幅度的提高.研究了不同衬底温度对掺BZO的YBCO薄膜的外延特性及超导性能的影响.以固相反应法制备了YBCO及BZO原材料,利用固相烧结工艺制备了BZO含量为2%(质量分数)的YBCO-BZO复合靶材,采用脉冲激光沉积技术(PLD)在LaAlO3(100)基片上外延生长YBCO薄膜.以不同的衬底温度制备了YBCO薄膜,用X射线衍射和高分辨透射电子显微技术对所制备的YBCO薄膜的外延特性进行了分析.最后比较了在不同衬底温度下制备的YBCO薄膜的超导性能,得到了最佳衬底温度.
参考文献
| [1] | Katz AS.;Woods SI.;Dynes RC.;Sun AG. .Planar thin film YBa2Cu3O7-delta Josephson junctions via nanolithography and ion damage[J].Applied physics letters,1998(16):2032-2034. |
| [2] | Blatter G;Feigel′man M V;Geshkenbein V B et al.[J].Reviews of Modern Physics,1994,66:1125. |
| [3] | Ramesh R;Jin S;Nakahara S et al.[J].Applied Physics Letters,1990,57:1458. |
| [4] | Kes P H .[J].Physica C,1991,185-189:288. |
| [5] | Civale L;Marwich A D;Thompson J R et al.[J].Physical Review Letters,1991,67:648. |
| [6] | Ekin J W;Salama K;Selvamanickam V .[J].Applied Physics Letters,1991,59:360. |
| [7] | Kang S;Goyal A;Li J;Gapud AA;Martin PM;Heatherly L;Thompson JR;Christen DK;List FA;Paranthaman M .High-performance high-T-c superconducting wires[J].Science,2006(5769):1911-1914. |
| [8] | Haugen T;Barnes P N;Wheeler R et al.[J].Nature,2004,430:867. |
| [9] | Macmanus-Driscoll J L;Foltyn S R;Jia Q X et al.[J].Nature Materials,2004,3:439. |
| [10] | Goyal A;Kang S;Leonard K J et al.[J].Superconductor Science and Technology,2005,18:1533. |
| [11] | Yamada Y;Takahashi K;Kobayashi H et al.[J].Applied Physics Letters,2005,87:132502. |
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%