采用脉冲激光方法，先在YSZ(yttria stablized zirconia)衬底上制备(YBa2Cu3O7-y)/YSZ高温超导薄膜，再用较低的激光能流密度(1.2～1.0Jcm-2)沉积一层NBCO(NdB2Cu3O7-x)薄膜，形成NBCO/YBCO/YSZ双层超导薄膜.在制备完当时,存放40天和存放400天后分别对薄膜进行了X射线衍射分析和电阻-温度曲线测量.结果表明， NBCO/YBCO/YSZ双层膜的转变温度、结晶度和表面稳定性及光滑度都优于YBCO/YSZ薄膜的.在YBCO/YSZ上使用较低的激光能量可以制备出优质的c轴取向NBCO高温超导薄膜.
参考文献
| [1] | X Yao;M Kambara;T Umeda et al.[J].PHYSICA C,1998,296:69. |
| [2] | S I Yoo;M Murakami;S Sakai et al.[J].Japanese Journal of Applied Physics,1994(33):L1000. |
| [3] | J. G. Lin;C. Y. Huang;Y.Y. Chu et al.[J].Physical Review,1995,B51(12):900. |
| [4] | Y LI;K Tanabe .[J].Journal of Applied Physics,1998,83(12):7744. |
| [5] | M Badaye;J G Wen;K Fukushima et al.[J].Superconductor Science and Technology,1997(10):825. |
| [6] | M Badaye;K Fukushima;T Morishita .[J].Journal of Materials Research,1996,11(05):1072. |
| [7] | A Gustavo;J Wen;F W Wang et al.[J].Japanese Journal of Applied Physics,1996(35):L1050. |
| [8] | A Eulenberg;E J Romans;C M Pegrum.[C].ACS′98 Preprint (MOD-12 |
| [9] | V Ambegaokar;A Barratoff .[J].PHYSICAL REVIEW LETTERS,1963(10):486. |
| [10] | M. Salluzzo;I. Maggio-Aprile;#. Fischer .Properties of superconducting Nd↓(1+x)Ba↓(2-x)Cu↓(3)O↓(7-δ) thin films deposited by dc magnetron sputtering[J].Applied physics letters,1998(1/6):683-685. |
| [11] | T Shimizu;N Nanoka;K Arai .[J].Applied Physics Letters,1991(59):600. |
| [12] | M J Kramer;S I Yoo;R W Mccallum et al.[J].PHYSICA C,1994,219:145. |
| [13] | 黄胜涛.固体X射线学[M].北京:高等教育出版社,1985:235. |
| [14] | M Badaye;F R Wang;Y Kanke et al.[J].Applied Physics Letters,1995,66(16):2131. |
| [15] | M Badaye;T Wu;K Fukushima et al.[J].Applied Physics Letters,1995(67):2155. |
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%