Y1Ba2Cu3O7-δ (YBCO)高温超导薄膜溅射生长所遇到的主要问题是负氧离子的反溅射效应 . 采用 afterglow plasma溅射生长 YBCO薄膜,有效地抑制了负氧离子的反溅射效应,从而生长出了超导性质优异的YBCO单晶薄膜,薄膜的临界电流密度JC(77K,0T)=7.6×106A/cm2,薄膜的微波表面电阻Rs(77K,10GHz)=206 μΩ,薄膜(005)峰摇摆曲线半高宽(FWHM)为0.120.
参考文献
[1] | HEIN M A .[J].IEEE Transactions on Applied Superconductivity,1997,7:1246. |
[2] | Norton DP. .Science and technology of high-temperature superconducting films [Review][J].Annual review of materials research,1998(0):299-347. |
[3] | PECHEN E V;VARLASHKIN A V;KRANSNOSVOBODTSEV S L et al.[J].Applied Physics Letters,1995,66:2292. |
[4] | Xi X X;VENKATESAN T;LI Q et al.MAG-27:[J].IEEE Transactions on Magnetics,1991,MAG27:982. |
[5] | GREENE L H;BAGLEY B G;FELDMANN W L et al.[J].Applied Physics Letters,1991,59:1629. |
[6] | GIN-ICHIRO OYA;CHIEN CHEN DIAO;SYOZO IMAI et al.[J].Journal of Applied Physics,1995,77:5809. |
[7] | HEIN M A .867[J].Superconductor Science and Technology,1997,10:867. |
[8] | Allen L.H.;Cukauskas E.J. .Preparation of thin films of Y/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7-x/ by magnetron sputtering techniques[J].IEEE Transactions on Magnetics,1991(2):1406-1409. |
[9] | VOSSEN J V;KERN W.Thin Film Process[M].Academic Press Inc,1991 |
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%