Ho替代Y的YBCO外延薄膜制备及超导电性  

Preparation and Superconductivity of the Ho Substitution YBCO Thin Film

作　　者：彭正顺[1,2] 华志强 杨秉川[1,2] 王晓华 赵忠贤[3] 尹渤 郝建民[4] 

机构地区：[1]首都师范大学化学系 [2]北京有色金属研究总院 [3]中国科学院物理研究所 [4]电子工业部四十六所

出　　处：《中国稀土学报》1998年第2期139-142,共4页Journal of the Chinese Society of Rare Earths

摘　　要：利用直流磁控溅射技术制备了Ｈｏ替代的ＹＢＣＯ超导薄膜，Ｘ射线技术（θ－２θ扫描：θ－θ扫描及—扫描）、ＳＥＭ和电子通道花样（ＥＣＰ）测试表明，所制备的掺杂薄膜具有高平面内外延性和平面外外延性。发现掺杂薄膜的临界电流密度Ｊｃ比ＹＢＣＯ薄膜的有不同程度的提高，掺杂量ｘ＝０４时有最大值。The Ho substitution YBCO thin films were prepared by using single target method by DCmagnetron sputtering technique. The thin films properties such as Tc and Jc were mainly effected by the deposition temperature Ts. The Jc values in all of the substituted films increased, with an optimal effect achieved at x=04 concentration at the 77 K and 0～3 T.

关 键 词：钬 钆系超导体 超导体 YBCO薄膜 高温超导体 

分 类 号：TM262[一般工业技术—材料科学与工程]